CVE Catalog

CVE-2025-11175

High
Published: Translated: NVD NIST

Summary

A vulnerability in the MediaWiki DiscussionTools extension allows Expression Language injection due to improper neutralization of special elements. This leads to exponential regular expression blowup (ReDoS), potentially overloading the server.

Risk Assessment

An attacker can exploit this vulnerability to perform a Denial of Service (DoS) attack, causing significant slowdown or unavailability of the MediaWiki service for users.

Recommendation

It is recommended to immediately update the DiscussionTools extension to a patched version and monitor vendor announcements for details on available fixes.

Related vulnerabilities

Original NVD description (English source)

Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection') vulnerability in The Wikimedia Foundation Mediawiki - DiscussionTools Extension allows Regular Expression Exponential Blowup.This issue affects Mediawiki - DiscussionTools Extension: 1.44, 1.43.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS