CVE-2026-60034 PUBLISHED

Joomla Extension - themexpert.com - Authenticated stored XSS in JMedia Extension < 1.6.0

Assigner: Joomla
Reserved: 08.07.2026 Published: 20.07.2026 Updated: 21.07.2026

The Joomla extension JMedia is vulnerable to a stored XSS vulnerability. Unsanitised SVG uploads served without nosniff, leading to stored/reflected XSS.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score: 9.4

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	High	Availability	High
Privileges Required	High
User Interaction	None

CVSS 4.0

Product Status

Vendor	themexpert.com
Product	JMedia extension for Joomla
Versions	Default: unaffected Version 1.0-1.5.4 is affected

References

https://www.themexpert.com/joomla-extensions/joomla-media-manager

Problem Types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE

Impacts

CAPEC-18 XSS Targeting Non-Script Elements