Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-66917— Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery < 4.4.0

Quick assessment

Affected
joomgalleryfriends.net JoomGallery extension for Joomla
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Joomla 扩展 - joomgalleryfriends.net - JoomGallery < 4.3.1 中的存储型跨站脚本漏洞（Stored XSS） - 具有权限的已认证用户可以在任何图片中存储跨站脚本（XSS）有效载荷，导致每位访问者的浏览器执行恶意 JavaScript 代码。

CVSS 8.6 · High EPSS 0.52% · P42

Affected Version Matrix 1

VendorProduct Version RangeStatus
joomgalleryfriends.net JoomGallery extension for Joomla 4.0.0-4.3.0 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-66917

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery < 4.4.0
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
joomgalleryfriends.net JoomGallery extension for Joomla 4.0.0-4.3.0 -

II. Public POCs for CVE-2026-66917

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-66917

请登录查看更多情报信息。

Other References for CVE-2026-66917 (1)

IV. Related Vulnerabilities

Same product: JoomGallery extension for Joomla
Same vendor: joomgalleryfriends.net
Same weakness: CWE-79

V. Comments for CVE-2026-66917

No comments yet

Leave a comment