CVE-2025-11175 HIGH

CVE-2025-11175: DiscussionTools should use better regex

Vendor The Wikimedia Foundation
Product Mediawiki - DiscussionTools Extension
Weakness CWE-917
Published January 30, 2026
Last update January 30, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 30, 2026 CVE published
January 30, 2026 Record updated