CVE-2026-60034 Joomla Extension - themexpert.com - Authenticated stored XSS in JMedia Extension < 1.6.0

Critical 9.4 Published Updated

Authenticated attackers can inject malicious scripts via unsanitized SVG uploads in the JMedia extension, potentially compromising user sessions.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-60034?

CVE-2026-60034 is a critical cross-site scripting vulnerability in themexpert.com JMedia extension for Joomla, published on 20 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Joomla Extension - themexpert.com - Authenticated stored XSS in JMedia Extension < 1.6.0 - The Joomla extension JMedia is vulnerable to a stored XSS vulnerability. Unsanitised SVG uploads served without nosniff, leading to stored/reflected XSS.

Weakness: CWE-79

Which versions are affected by CVE-2026-60034?

How do I fix CVE-2026-60034?

No fix has been published for CVE-2026-60034 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-60034 being exploited?

There is no known exploitation of CVE-2026-60034 in the wild and no public exploit code.

Sources

Also known as GHSA-jr2x-pvg7-cmq5.

Is CVE-2026-60034 in your software?

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