CVE-2026-48940

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

Published Jun 25, 2026 CVSS 3.1 · 3.4 Low EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
Link Providers
https://www.getk2.org/ cve-icon cve-icon
History
Type Values Removed Values Added
Title Joomla Extension - getk2.com - Stored-XSS in K2 extension for Joomla < 2.26 Joomla Extension - getk2.org - Stored-XSS in K2 extension for Joomla < 2.26
Type Values Removed Values Added
First Time appeared Getk2
Getk2 k2 Extension For Joomla
Vendors & Products Getk2
Getk2 k2 Extension For Joomla
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 3.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Joomla Extension - getk2.com - Stored-XSS in K2 extension for Joomla < 2.26
Weaknesses CWE-79
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Joomla
Published
Updated
Jun 28, 2026, 6:38 PM
Reserved
May 26, 2026, 4:47 PM
Status
Analyzed
Published
Jun 25, 2026, 4:16 PM
Modified
Oct 25, 2026, 10:10 PM