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CVE-2026-66917

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

HIGH
8.6
CVSS Score
Published: August 22, 2026 at 11:12 AM UTC
Updated: October 23, 2026 at 10:10 PM UTC
1 product affected across 1 vendorJoomGallery

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Severity
HIGH8.6
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Product
Source: cverecord
https://www.joomgalleryfriends.net/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.6HIGHJoomla
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79

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