What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 8.6 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-22 · updated 2026-10-23
• Weakness: CWE-79

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.

Affected products

• joomgalleryfriends.net JoomGallery extension for Joomla: 4.0.0-4.3.0

References

• https://www.joomgalleryfriends.net/

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