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Vulnerability Details :

CVE-2026-0722

Summary
Assigner-Wordfence
Assigner Org ID-b15e7b5b-3da4-40ae-a43c-f7aa60e62599
Published At-19 Feb, 2026 | 04:36
Updated At-19 Feb, 2026 | 04:36
Rejected At-
Credits

Shield Security <= 21.0.8 - Cross-Site Request Forgery to SQL Injection

The Shield Security plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 21.0.8. This is due to the plugin allowing nonce verification to be bypassed via user-supplied parameter in the 'isNonceVerifyRequired' function. This makes it possible for unauthenticated attackers to execute SQL injection attacks, extracting sensitive information from the database, via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

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:19 Feb, 2026 | 04:36
Updated At:19 Feb, 2026 | 04:36
Rejected At:
▼CVE Numbering Authority (CNA)
Shield Security <= 21.0.8 - Cross-Site Request Forgery to SQL Injection

The Shield Security plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 21.0.8. This is due to the plugin allowing nonce verification to be bypassed via user-supplied parameter in the 'isNonceVerifyRequired' function. This makes it possible for unauthenticated attackers to execute SQL injection attacks, extracting sensitive information from the database, via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Affected Products
Vendor
paultgoodchild
Product
Shield: Blocks Bots, Protects Users, and Prevents Security Breaches
Default Status
unaffected
Versions
Affected
  • From * through 21.0.8 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-89CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Type: CWE
CWE ID: CWE-89
Description: CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Metrics
VersionBase scoreBase severityVector
3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Dmitrii Ignatyev
Timeline
EventDate
Discovered2025-12-26 00:00:00
Disclosed2026-02-18 16:19:04
Event: Discovered
Date: 2025-12-26 00:00:00
Event: Disclosed
Date: 2026-02-18 16:19:04
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.wordfence.com/threat-intel/vulnerabilities/id/f53d9579-56e9-41aa-b6b7-2472734ee719?source=cve
N/A
https://plugins.trac.wordpress.org/browser/wp-simple-firewall/tags/21.0.8/src/lib/src/ActionRouter/CaptureAjaxAction.php#L42
N/A
https://plugins.trac.wordpress.org/browser/wp-simple-firewall/tags/21.0.8/src/lib/src/ActionRouter/Actions/BaseAction.php#L125
N/A
https://plugins.trac.wordpress.org/browser/wp-simple-firewall/tags/21.0.8/src/lib/src/Tables/DataTables/LoadData/Traffic/BuildTrafficTableData.php#L114
N/A
https://research.cleantalk.org/cve-2026-0722/
N/A
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3439494%40wp-simple-firewall&new=3439494%40wp-simple-firewall&sfp_email=&sfph_mail=
N/A
Hyperlink: https://www.wordfence.com/threat-intel/vulnerabilities/id/f53d9579-56e9-41aa-b6b7-2472734ee719?source=cve
Resource: N/A
Hyperlink: https://plugins.trac.wordpress.org/browser/wp-simple-firewall/tags/21.0.8/src/lib/src/ActionRouter/CaptureAjaxAction.php#L42
Resource: N/A
Hyperlink: https://plugins.trac.wordpress.org/browser/wp-simple-firewall/tags/21.0.8/src/lib/src/ActionRouter/Actions/BaseAction.php#L125
Resource: N/A
Hyperlink: https://plugins.trac.wordpress.org/browser/wp-simple-firewall/tags/21.0.8/src/lib/src/Tables/DataTables/LoadData/Traffic/BuildTrafficTableData.php#L114
Resource: N/A
Hyperlink: https://research.cleantalk.org/cve-2026-0722/
Resource: N/A
Hyperlink: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3439494%40wp-simple-firewall&new=3439494%40wp-simple-firewall&sfp_email=&sfph_mail=
Resource: N/A
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@wordfence.com
Published At:19 Feb, 2026 | 07:17
Updated At:19 Feb, 2026 | 15:53

The Shield Security plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 21.0.8. This is due to the plugin allowing nonce verification to be bypassed via user-supplied parameter in the 'isNonceVerifyRequired' function. This makes it possible for unauthenticated attackers to execute SQL injection attacks, extracting sensitive information from the database, via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

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
Primary3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Type: Primary
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-89Primarysecurity@wordfence.com
CWE ID: CWE-89
Type: Primary
Source: security@wordfence.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://plugins.trac.wordpress.org/browser/wp-simple-firewall/tags/21.0.8/src/lib/src/ActionRouter/Actions/BaseAction.php#L125security@wordfence.com
N/A
https://plugins.trac.wordpress.org/browser/wp-simple-firewall/tags/21.0.8/src/lib/src/ActionRouter/CaptureAjaxAction.php#L42security@wordfence.com
N/A
https://plugins.trac.wordpress.org/browser/wp-simple-firewall/tags/21.0.8/src/lib/src/Tables/DataTables/LoadData/Traffic/BuildTrafficTableData.php#L114security@wordfence.com
N/A
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3439494%40wp-simple-firewall&new=3439494%40wp-simple-firewall&sfp_email=&sfph_mail=security@wordfence.com
N/A
https://research.cleantalk.org/cve-2026-0722/security@wordfence.com
N/A
https://www.wordfence.com/threat-intel/vulnerabilities/id/f53d9579-56e9-41aa-b6b7-2472734ee719?source=cvesecurity@wordfence.com
N/A
Hyperlink: https://plugins.trac.wordpress.org/browser/wp-simple-firewall/tags/21.0.8/src/lib/src/ActionRouter/Actions/BaseAction.php#L125
Source: security@wordfence.com
Resource: N/A
Hyperlink: https://plugins.trac.wordpress.org/browser/wp-simple-firewall/tags/21.0.8/src/lib/src/ActionRouter/CaptureAjaxAction.php#L42
Source: security@wordfence.com
Resource: N/A
Hyperlink: https://plugins.trac.wordpress.org/browser/wp-simple-firewall/tags/21.0.8/src/lib/src/Tables/DataTables/LoadData/Traffic/BuildTrafficTableData.php#L114
Source: security@wordfence.com
Resource: N/A
Hyperlink: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3439494%40wp-simple-firewall&new=3439494%40wp-simple-firewall&sfp_email=&sfph_mail=
Source: security@wordfence.com
Resource: N/A
Hyperlink: https://research.cleantalk.org/cve-2026-0722/
Source: security@wordfence.com
Resource: N/A
Hyperlink: https://www.wordfence.com/threat-intel/vulnerabilities/id/f53d9579-56e9-41aa-b6b7-2472734ee719?source=cve
Source: security@wordfence.com
Resource: N/A

Change History

0
Information is not available yet

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