CVE-2026-24350 Stored XSS in PluXml CMS

Medium 5.1 Published 27 Feb 2026 Updated 27 Feb 2026

An authenticated attacker can upload malicious SVG files to execute arbitrary scripts in victims' browsers via stored XSS in PluXml CMS.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-24350?

CVE-2026-24350 is a medium-severity cross-site scripting vulnerability in PluXml CMS, published on 27 Feb 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

PluXml CMS is vulnerable to Stored XSS in file uploading functionality. An authenticated attacker can upload an SVG file containing a malicious payload, which will be executed when a victim clicks the link associated with the uploaded image. In version 5.9.0-rc7 clicking the link associated with the uploaded image doesn't execute malicious code but directly accessing the file will still execute the embedded payload.

The vendor was notified early about this vulnerability, but didn't respond with the details of vulnerability or vulnerable version range. Only versions 5.8.21 and 5.9.0-rc7 were tested and confirmed as vulnerable, other versions were not tested and might also be vulnerable.

Weakness: CWE-79

Which versions are affected by CVE-2026-24350?

It affects 1 product.

Products include Pluxml Pluxml.

How do I fix CVE-2026-24350?

No fix has been published for CVE-2026-24350 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-2026-24350 being exploited?

There is no known exploitation of CVE-2026-24350 in the wild and no public exploit code.

Sources

Also known as GHSA-rv67-6qhq-rp2p, UBUNTU-CVE-2026-24350.