CVE-2025-9429: Mtons Mblog

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

A security vulnerability has been detected in mtons mblog up to 3.5.0. This vulnerability affects unknown code of the file /post/submit of the component Post Handler. The manipulation of the argument content/title/ leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

Affected products

• Mtons Mblog: up to and including 3.5.0

Published 2025-08-26. Last modified 2026-06-17.