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TI-2026-47486 Aliases CVE-2026-66917GHSA-8vxv-gf52-gm5h

Cross-site scripting in joomgalleryfriends.net JoomGallery extension for Joomla

Priority MEDIUM 40CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00518 44th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
joomgalleryfriends.netJoomGallery extension for Joomla4.0.0-4.3.0—No fix listedCNA
  • JoomGallery extension for Joomla Vendorjoomgalleryfriends.net Affected 4.0.0-4.3.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-66917
  2. 2026-10-03 Alias added: GHSA-8vxv-gf52-gm5h

References

Other 1

  • TI-2026-47485 Improper access control in joomgalleryfriends.net JoomGallery extension for Joomla CVSS 4.0MEDIUM 6.9
  • TI-2026-57798 Improper access control in joomgalleryfriends.net JoomGallery extension for Joomla CVSS 4.0MEDIUM 6.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences