PT-2026-79527 · Joomla · Joomgallery

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CVE-2026-66917

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Published

2026-08-22

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Updated

2026-08-24

CVSS v4.0

8.6

High

VectorAV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions JoomGallery versions prior to 4.4.0
Description An authenticated user with privileged access can store a Cross-Site Scripting (XSS) payload within an image. This allows the execution of arbitrary JavaScript in the browser of every visitor who views the affected image.
Recommendations Update JoomGallery to version 4.4.0 or later.

Fix

XSS

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Weakness Enumeration

Related Identifiers

CVE-2026-66917

Affected Products

Joomgallery