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Vulnerability Details :

CVE-2021-4451

Summary
Assigner-Wordfence
Assigner Org ID-b15e7b5b-3da4-40ae-a43c-f7aa60e62599
Published At-16 Oct, 2024 | 06:43
Updated At-08 Apr, 2026 | 16:38
Rejected At-
Credits

NinjaFirewall <= 4.3.3 - Authenticated PHAR Deserialization

The NinjaFirewall plugin for WordPress is vulnerable to Authenticated PHAR Deserialization in versions up to, and including, 4.3.3. This allows authenticated attackers to perform phar deserialization on the server. This deserialization can allow other plugin or theme exploits if vulnerable software is present (WordPress, and NinjaFirewall).

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:Wordfence
Assigner Org ID:b15e7b5b-3da4-40ae-a43c-f7aa60e62599
Published At:16 Oct, 2024 | 06:43
Updated At:08 Apr, 2026 | 16:38
Rejected At:
▼CVE Numbering Authority (CNA)
NinjaFirewall <= 4.3.3 - Authenticated PHAR Deserialization

The NinjaFirewall plugin for WordPress is vulnerable to Authenticated PHAR Deserialization in versions up to, and including, 4.3.3. This allows authenticated attackers to perform phar deserialization on the server. This deserialization can allow other plugin or theme exploits if vulnerable software is present (WordPress, and NinjaFirewall).

Affected Products
Vendor
nintechnet
Product
NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall
Default Status
unaffected
Versions
Affected
  • From 0 before 4.3.4 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-502CWE-502 Deserialization of Untrusted Data
Type: CWE
CWE ID: CWE-502
Description: CWE-502 Deserialization of Untrusted Data
Metrics
VersionBase scoreBase severityVector
3.16.6MEDIUM
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 6.6
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

finder
Chloe Chamberland
Timeline
EventDate
Disclosed2021-05-30 00:00:00
Event: Disclosed
Date: 2021-05-30 00:00:00
Replaced By

Rejected Reason

References
HyperlinkResource
https://www.wordfence.com/threat-intel/vulnerabilities/id/1a1fc6c9-50cd-40fd-a777-9eed98aab797?source=cve
N/A
https://blog.nintechnet.com/security-issue-fixed-in-ninjafirewall-wp-edition/
N/A
Hyperlink: https://www.wordfence.com/threat-intel/vulnerabilities/id/1a1fc6c9-50cd-40fd-a777-9eed98aab797?source=cve
Resource: N/A
Hyperlink: https://blog.nintechnet.com/security-issue-fixed-in-ninjafirewall-wp-edition/
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Vendor
ninjatechnologiesnetwork
Product
ninja_firewall
CPEs
  • cpe:2.3:a:ninjatechnologiesnetwork:ninja_firewall:*:*:*:*:*:*:*:*
Default Status
unknown
Versions
Affected
  • From 0 before 4.3.4 (custom)
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@wordfence.com
Published At:16 Oct, 2024 | 07:15
Updated At:30 Oct, 2024 | 17:44

The NinjaFirewall plugin for WordPress is vulnerable to Authenticated PHAR Deserialization in versions up to, and including, 4.3.3. This allows authenticated attackers to perform phar deserialization on the server. This deserialization can allow other plugin or theme exploits if vulnerable software is present (WordPress, and NinjaFirewall).

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.17.2HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Secondary3.16.6MEDIUM
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 3.1
Base score: 7.2
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 6.6
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CPE Matches

nintechnet
nintechnet
>>ninjafirewall>>Versions up to 4.3.3(inclusive)
cpe:2.3:a:nintechnet:ninjafirewall:*:*:*:*:*:wordpress:*:*
Weaknesses
CWE IDTypeSource
CWE-502Primarynvd@nist.gov
CWE-502Secondarysecurity@wordfence.com
CWE ID: CWE-502
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-502
Type: Secondary
Source: security@wordfence.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://blog.nintechnet.com/security-issue-fixed-in-ninjafirewall-wp-edition/security@wordfence.com
Patch
https://www.wordfence.com/threat-intel/vulnerabilities/id/1a1fc6c9-50cd-40fd-a777-9eed98aab797?source=cvesecurity@wordfence.com
Third Party Advisory
Hyperlink: https://blog.nintechnet.com/security-issue-fixed-in-ninjafirewall-wp-edition/
Source: security@wordfence.com
Resource:
Patch
Hyperlink: https://www.wordfence.com/threat-intel/vulnerabilities/id/1a1fc6c9-50cd-40fd-a777-9eed98aab797?source=cve
Source: security@wordfence.com
Resource:
Third Party Advisory

Change History

0
Information is not available yet

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CVSS Score-7.2||HIGH
EPSS-11.28% / 93.61%
||
7 Day CHG~0.00%
Published-15 Feb, 2023 | 00:00
Updated-18 Mar, 2025 | 19:12
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
SolarWinds Platform Deserialization of Untrusted Data Vulnerability

SolarWinds Platform was susceptible to the Deserialization of Untrusted Data. This vulnerability allows a remote adversary with Orion admin-level account access to SolarWinds Web Console to execute arbitrary commands.

Action-Not Available
Vendor-SolarWinds Worldwide, LLC.
Product-orion_platformSolarWinds Platform
CWE ID-CWE-502
Deserialization of Untrusted Data
CVE-2023-4971
Matching Score-4
Assigner-WPScan
ShareView Details
Matching Score-4
Assigner-WPScan
CVSS Score-7.2||HIGH
EPSS-0.28% / 51.06%
||
7 Day CHG~0.00%
Published-16 Oct, 2023 | 19:38
Updated-23 Apr, 2025 | 16:14
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Weaver Xtreme Theme Support < 6.3.1 - Admin+ PHP Object Injection

The Weaver Xtreme Theme Support WordPress plugin before 6.3.1 unserialises the content of an imported file, which could lead to PHP object injections issues when a high privilege user import a malicious file and a suitable gadget chain is present on the blog.

Action-Not Available
Vendor-weaverthemeUnknown
Product-weaver_xtreme_theme_supportWeaver Xtreme Theme Support
CWE ID-CWE-502
Deserialization of Untrusted Data
CVE-2022-3380
Matching Score-4
Assigner-WPScan
ShareView Details
Matching Score-4
Assigner-WPScan
CVSS Score-7.2||HIGH
EPSS-0.99% / 77.11%
||
7 Day CHG~0.00%
Published-31 Oct, 2022 | 00:00
Updated-27 Mar, 2026 | 20:55
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Customizer Export/Import < 0.9.5 - Admin+ PHP Objection Injection

The Customizer Export/Import WordPress plugin before 0.9.5 unserializes the content of an imported file, which could lead to PHP object injection issues when an admin imports (intentionally or not) a malicious file and a suitable gadget chain is present on the blog.

Action-Not Available
Vendor-fastlinemediaUnknown
Product-customizer_export\/importCustomizer Export/Import
CWE ID-CWE-502
Deserialization of Untrusted Data
CVE-2022-3366
Matching Score-4
Assigner-WPScan
ShareView Details
Matching Score-4
Assigner-WPScan
CVSS Score-7.2||HIGH
EPSS-0.90% / 75.92%
||
7 Day CHG~0.00%
Published-31 Oct, 2022 | 00:00
Updated-06 May, 2025 | 21:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
PublishPress Capabilities < 2.5.2 - Admin+ PHP Objection Injection

The PublishPress Capabilities WordPress plugin before 2.5.2, PublishPress Capabilities Pro WordPress plugin before 2.5.2 unserializes the content of imported files, which could lead to PHP object injection attacks by administrators, on multisite WordPress configurations. Successful exploitation in this case requires other plugins with a suitable gadget chain to be present on the site.

Action-Not Available
Vendor-publishpressUnknown
Product-capabilitiesPublishPress Capabilities ProPublishPress Capabilities – User Role Access, Editor Permissions, Admin Menus
CWE ID-CWE-502
Deserialization of Untrusted Data
CVE-2022-3374
Matching Score-4
Assigner-WPScan
ShareView Details
Matching Score-4
Assigner-WPScan
CVSS Score-7.2||HIGH
EPSS-0.91% / 76.00%
||
7 Day CHG~0.00%
Published-31 Oct, 2022 | 00:00
Updated-06 May, 2025 | 21:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Ocean Extra < 2.0.5 - Admin+ PHP Objection Injection

The Ocean Extra WordPress plugin before 2.0.5 unserialises the content of an imported file, which could lead to PHP object injections issues when a high privilege user import (intentionally or not) a malicious Customizer Styling file and a suitable gadget chain is present on the blog.

Action-Not Available
Vendor-oceanwpUnknown
Product-ocean_extraOcean Extra
CWE ID-CWE-502
Deserialization of Untrusted Data
CVE-2020-14030
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.2||HIGH
EPSS-3.00% / 86.71%
||
7 Day CHG~0.00%
Published-29 Sep, 2020 | 13:08
Updated-04 Aug, 2024 | 12:32
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in Ozeki NG SMS Gateway through 4.17.6. It stores SMS messages in .NET serialized format on the filesystem. By generating (and writing to the disk) malicious .NET serialized files, an attacker can trick the product into deserializing them, resulting in arbitrary code execution.

Action-Not Available
Vendor-ozekin/a
Product-ozeki_ng_sms_gatewayn/a
CWE ID-CWE-502
Deserialization of Untrusted Data
CVE-2020-11467
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-9.1||CRITICAL
EPSS-3.99% / 88.52%
||
7 Day CHG~0.00%
Published-01 Apr, 2020 | 20:51
Updated-04 Aug, 2024 | 11:28
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in Deskpro before 2019.8.0. This product enables administrators to modify the helpdesk interface by editing /portal/api/style/edit-theme-set/template-sources theme templates, and uses TWIG as its template engine. While direct access to self and _self variables was not permitted, one could abuse the accessible variables in one's context to reach a native unserialize function via the code parameter. There, on could pass a crafted payload to trigger a set of POP gadgets in order to achieve remote code execution.

Action-Not Available
Vendor-deskpron/a
Product-deskpron/a
CWE ID-CWE-502
Deserialization of Untrusted Data
CVE-2020-10657
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.2||HIGH
EPSS-4.58% / 89.33%
||
7 Day CHG~0.00%
Published-06 Jan, 2021 | 13:34
Updated-04 Aug, 2024 | 11:06
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.9.1 contains a vulnerability in the ITM web console's ImportAlertRules feature. The vulnerability allows a remote attacker (with admin or config-admin privileges in the console) to execute arbitrary code with local administrator privileges. The vulnerability is caused by improper deserialization.

Action-Not Available
Vendor-proofpointn/a
Product-insider_threat_management_servern/a
CWE ID-CWE-502
Deserialization of Untrusted Data
CVE-2025-4803
Matching Score-4
Assigner-Wordfence
ShareView Details
Matching Score-4
Assigner-Wordfence
CVSS Score-7.2||HIGH
EPSS-1.38% / 80.51%
||
7 Day CHG~0.00%
Published-21 May, 2025 | 09:21
Updated-08 Apr, 2026 | 16:53
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Glossary by WPPedia <= 1.3.0 - Authenticated (Administrator+) PHP Object Injection

The Glossary by WPPedia – Best Glossary plugin for WordPress plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.3.0 via deserialization of untrusted input from the 'posttypes' parameter. This makes it possible for authenticated attackers, with Administrator-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable software, which means this vulnerability has no impact unless another plugin or theme containing a POP chain is installed on the site. If a POP chain is present via an additional plugin or theme installed on the target system, it may allow the attacker to perform actions like delete arbitrary files, retrieve sensitive data, or execute code depending on the POP chain present.

Action-Not Available
Vendor-steinrein
Product-Glossary by WPPedia – Best Glossary plugin for WordPress
CWE ID-CWE-502
Deserialization of Untrusted Data
CVE-2022-21828
Matching Score-4
Assigner-HackerOne
ShareView Details
Matching Score-4
Assigner-HackerOne
CVSS Score-7.2||HIGH
EPSS-15.38% / 94.72%
||
7 Day CHG~0.00%
Published-04 Mar, 2022 | 16:15
Updated-03 Aug, 2024 | 02:53
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A user with high privilege access to the Incapptic Connect web console can remotely execute code on the Incapptic Connect server using a unspecified attack vector in Incapptic Connect version 1.40.0, 1.39.1, 1.39.0, 1.38.1, 1.38.0, 1.37.1, 1.37.0, 1.36.0, 1.35.5, 1.35.4 and 1.35.3.

Action-Not Available
Vendor-n/aIvanti Software
Product-incapptic_connectIvanti Incapptic Connect
CWE ID-CWE-502
Deserialization of Untrusted Data
CVE-2023-1669
Matching Score-4
Assigner-WPScan
ShareView Details
Matching Score-4
Assigner-WPScan
CVSS Score-7.2||HIGH
EPSS-6.38% / 91.10%
||
7 Day CHG~0.00%
Published-02 May, 2023 | 07:04
Updated-30 Jan, 2025 | 15:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
SEOPress < 6.5.0.3 - Admin+ PHP Object Injection

The SEOPress WordPress plugin before 6.5.0.3 unserializes user input provided via the settings, which could allow high-privilege users such as admin to perform PHP Object Injection when a suitable gadget is present.

Action-Not Available
Vendor-seopressUnknown
Product-seopressSEOPress
CWE ID-CWE-502
Deserialization of Untrusted Data
CVE-2025-22510
Matching Score-4
Assigner-Patchstack
ShareView Details
Matching Score-4
Assigner-Patchstack
CVSS Score-7.2||HIGH
EPSS-14.94% / 94.63%
||
7 Day CHG~0.00%
Published-09 Jan, 2025 | 15:39
Updated-28 Apr, 2026 | 16:11
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
WordPress WC Price History for Omnibus plugin <= 2.1.4 - PHP Object Injection vulnerability

Deserialization of Untrusted Data vulnerability in kkarpieszuk WC Price History for Omnibus wc-price-history allows Object Injection.This issue affects WC Price History for Omnibus: from n/a through <= 2.1.4.

Action-Not Available
Vendor-kkarpieszuk
Product-WC Price History for Omnibus
CWE ID-CWE-502
Deserialization of Untrusted Data
CVE-2025-1913
Matching Score-4
Assigner-Wordfence
ShareView Details
Matching Score-4
Assigner-Wordfence
CVSS Score-7.2||HIGH
EPSS-0.26% / 49.77%
||
7 Day CHG+0.08%
Published-26 Mar, 2025 | 11:55
Updated-08 Apr, 2026 | 17:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Product Import Export for WooCommerce <= 2.5.0 - Authenticated (Admin+) PHP Object Injection via form_data Parameter

The Product Import Export for WooCommerce – Import Export Product CSV Suite plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 2.5.0 via deserialization of untrusted input from the 'form_data' parameter This makes it possible for authenticated attackers, with Administrator-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable software, which means this vulnerability has no impact unless another plugin or theme containing a POP chain is installed on the site. If a POP chain is present via an additional plugin or theme installed on the target system, it may allow the attacker to perform actions like delete arbitrary files, retrieve sensitive data, or execute code depending on the POP chain present.

Action-Not Available
Vendor-webtoffeewebtoffee
Product-product_import_export_for_woocommerceProduct Import Export for WooCommerce – Import Export Product CSV Suite
CWE ID-CWE-502
Deserialization of Untrusted Data
CVE-2025-20276
Matching Score-4
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-4
Assigner-Cisco Systems, Inc.
CVSS Score-3.8||LOW
EPSS-1.51% / 81.38%
||
7 Day CHG~0.00%
Published-04 Jun, 2025 | 16:18
Updated-26 Feb, 2026 | 18:27
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Cisco Unified Contact Center Express Remote Code Execution Vulnerability

A vulnerability in the web-based management interface of Cisco Unified CCX could allow an authenticated, remote attacker to execute arbitrary code on an affected device. To exploit this vulnerability, the attacker must have valid administrative credentials.&nbsp; This vulnerability is due to insecure deserialization of Java objects by the affected software. An attacker could exploit this vulnerability by sending a crafted Java object to an affected device. A successful exploit could allow the attacker to execute arbitrary code on the underlying operating system of an affected device as a low-privilege user. A successful exploit could also allow the attacker to undertake further actions to elevate their privileges to root.

Action-Not Available
Vendor-Cisco Systems, Inc.
Product-unified_contact_center_expressCisco Unified Contact Center Express
CWE ID-CWE-502
Deserialization of Untrusted Data
CVE-2025-15438
Matching Score-4
Assigner-VulDB
ShareView Details
Matching Score-4
Assigner-VulDB
CVSS Score-5.1||MEDIUM
EPSS-0.10% / 27.87%
||
7 Day CHG~0.00%
Published-02 Jan, 2026 | 14:32
Updated-27 Feb, 2026 | 03:45
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
PluXml Media Management medias.php __destruct deserialization

A vulnerability was determined in PluXml up to 5.8.22. Affected is the function FileCookieJar::__destruct of the file core/admin/medias.php of the component Media Management Module. Executing a manipulation of the argument File can lead to deserialization. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was informed early about this issue and announced that "[w]e fix this issue in the next version 5.8.23". A patch for it is ready.

Action-Not Available
Vendor-pluxmln/a
Product-pluxmlPluXml
CWE ID-CWE-20
Improper Input Validation
CWE ID-CWE-502
Deserialization of Untrusted Data
CVE-2025-13145
Matching Score-4
Assigner-Wordfence
ShareView Details
Matching Score-4
Assigner-Wordfence
CVSS Score-7.2||HIGH
EPSS-0.28% / 51.23%
||
7 Day CHG~0.00%
Published-19 Nov, 2025 | 05:45
Updated-08 Apr, 2026 | 16:56
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
WP Import – Ultimate CSV XML Importer for WordPress <= 7.33.1 - Authenticated (Administrator+) PHP Object Injection via CSV Import

The WP Import – Ultimate CSV XML Importer for WordPress plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 7.33.1. This is due to deserialization of untrusted data supplied via CSV file imports in the import_single_post_as_csv function within SingleImportExport.php. This makes it possible for authenticated attackers, with administrator-level access or higher, to inject a PHP object. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

Action-Not Available
Vendor-smackcoders
Product-WP Ultimate CSV Importer – Import CSV, XML & Excel into WordPress
CWE ID-CWE-502
Deserialization of Untrusted Data
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