CVE-2026-66917

Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery < 4.4.0

Published Aug 22, 2026 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
Description
Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery < 4.4.0 - An authenticated, privileged can store an XSS payload in any image causing JS execution in every visitor's browser.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
References
History
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
First Time appeared Joomgalleryfriends.net
Joomgalleryfriends.net joomgallery Extension For Joomla
Vendors & Products Joomgalleryfriends.net
Joomgalleryfriends.net joomgallery Extension For Joomla
Type Values Removed Values Added
Description Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery < 4.3.1 - An authenticated, privileged can store an XSS payload in any image causing JS execution in every visitor's browser. Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery < 4.4.0 - An authenticated, privileged can store an XSS payload in any image causing JS execution in every visitor's browser.
Title Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery < 4.3.1 Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery < 4.4.0
Type Values Removed Values Added
Description Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery < 4.3.1 - An authenticated, privileged can store an XSS payload in any image causing JS execution in every visitor's browser.
Title Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery < 4.3.1
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Joomla
Published
Updated
Aug 24, 2026, 1:06 PM
Reserved
Jul 28, 2026, 12:39 PM
Status
Deferred
Published
Aug 22, 2026, 12:16 PM
Modified
Oct 23, 2026, 10:10 PM