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Vulnerability Details :

CVE-2026-48940

Summary
Assigner-Joomla
Assigner Org ID-6ff30186-7fb7-4ad9-be33-533e7b05e586
Published At-25 Jun, 2026 | 15:26
Updated At-28 Jun, 2026 | 18:38
Rejected At-
Credits

Joomla Extension - getk2.org - Stored-XSS in K2 extension for Joomla < 2.26

A Joomla user with K2 "create item" rights (Author tier by default) can submit an article whose `embedVideo` POST field contains a raw `<script>` tag; K2 stores it verbatim and renders it unescaped to any visitor of the article page.

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:Joomla
Assigner Org ID:6ff30186-7fb7-4ad9-be33-533e7b05e586
Published At:25 Jun, 2026 | 15:26
Updated At:28 Jun, 2026 | 18:38
Rejected At:
▼CVE Numbering Authority (CNA)
Joomla Extension - getk2.org - Stored-XSS in K2 extension for Joomla < 2.26

A Joomla user with K2 "create item" rights (Author tier by default) can submit an article whose `embedVideo` POST field contains a raw `<script>` tag; K2 stores it verbatim and renders it unescaped to any visitor of the article page.

Affected Products
Vendor
getk2.org
Product
K2 extension for Joomla
Default Status
unaffected
Versions
Affected
  • 1.0-2.26
Problem Types
TypeCWE IDDescription
CWECWE-79CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Type: CWE
CWE ID: CWE-79
Description: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Matan Bahar
finder
Niv Kochan
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.getk2.org/
product
Hyperlink: https://www.getk2.org/
Resource:
product
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
3.13.4LOW
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N
Version: 3.1
Base score: 3.4
Base severity: LOW
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N
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@joomla.org
Published At:25 Jun, 2026 | 16:16
Updated At:28 Jun, 2026 | 19:16

A Joomla user with K2 "create item" rights (Author tier by default) can submit an article whose `embedVideo` POST field contains a raw `<script>` tag; K2 stores it verbatim and renders it unescaped to any visitor of the article page.

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
Secondary3.13.4LOW
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N
N/A
Type: Secondary
Version: 3.1
Base score: 3.4
Base severity: LOW
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches
joomlaworks
joomlaworks
>>k2>>Versions up to 2.26(inclusive)
cpe:2.3:a:joomlaworks:k2:*:*:*:*:*:joomla\!:*:*
Weaknesses
CWE IDTypeSource
CWE-79Secondarysecurity@joomla.org
CWE ID: CWE-79
Type: Secondary
Source: security@joomla.org
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://www.getk2.org/security@joomla.org
Product
Hyperlink: https://www.getk2.org/
Source: security@joomla.org
Resource:
Product

Change History

0
Information is not available yet

Similar CVEs

4Records found
CVE-2026-48942
Matching Score-6
Assigner-Joomla! Project
ShareView Details
Matching Score-6
Assigner-Joomla! Project
CVSS Score-6.1||MEDIUM
EPSS-0.15% / 4.48%
||
7 Day CHG~0.00%
Published-25 Jun, 2026 | 15:23
Updated-28 Jun, 2026 | 19:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Joomla Extension - getk2.org - Stored-XSS in K2 extension for Joomla < 2.26

K2 ≤ 2.26 renders the `#__k2_users.image` column directly into HTML `src` attributes via two distinct templates, in both cases without HTML escaping.

Action-Not Available
Vendor-joomlaworksgetk2.org
Product-k2K2 extension for Joomla
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2026-49381
Matching Score-4
Assigner-JetBrains s.r.o.
ShareView Details
Matching Score-4
Assigner-JetBrains s.r.o.
CVSS Score-3.4||LOW
EPSS-0.21% / 10.61%
||
7 Day CHG~0.00%
Published-29 May, 2026 | 18:15
Updated-02 Jun, 2026 | 12:36
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In JetBrains TeamCity before 2026.1 stored XSS on the SAML login page was possible

Action-Not Available
Vendor-JetBrains s.r.o.
Product-teamcityTeamCity
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2023-34354
Matching Score-4
Assigner-Talos
ShareView Details
Matching Score-4
Assigner-Talos
CVSS Score-3.4||LOW
EPSS-0.81% / 52.41%
||
7 Day CHG~0.00%
Published-11 Oct, 2023 | 15:16
Updated-04 Nov, 2025 | 20:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A stored cross-site scripting (XSS) vulnerability exists in the upload_brand.cgi functionality of peplink Surf SOHO HW1 v6.3.5 (in QEMU). A specially crafted HTTP request can lead to execution of arbitrary javascript in another user's browser. An attacker can make an authenticated HTTP request to trigger this vulnerability.

Action-Not Available
Vendor-peplinkPeplinkpeplink
Product-surf_sohosurf_soho_firmwareSurf SOHO HW1surf_soho_firmware
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE ID-CWE-80
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
CVE-2025-62184
Matching Score-4
Assigner-Pegasystems Inc.
ShareView Details
Matching Score-4
Assigner-Pegasystems Inc.
CVSS Score-4.8||MEDIUM
EPSS-0.26% / 17.13%
||
7 Day CHG~0.00%
Published-31 Mar, 2026 | 17:52
Updated-03 Apr, 2026 | 12:49
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Pega Platform versions 8.1.0 through 25.1.0 are affected by a Stored Cross-site Scripting vulnerability in a user interface component.

Pega Platform versions 8.1.0 through 25.1.0 are affected by a Stored Cross-site Scripting vulnerability in a user interface component. Requires an administrative user and given extensive access rights, impact to Confidentiality is low and Integrity is none.

Action-Not Available
Vendor-pegaPegasystems
Product-pega_platformPega Infinity
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Details not found