CVE-2026-66917

High

Open

TLP:CLEAR

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

NVD CVE.org

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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.

Details

CVSS Score: 8.6
CVSS 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
Confidence: 90%
Published: Aug 22, 2026
Last Modified: Aug 22, 2026

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