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CVE-2025-11175

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Date: January 30, 2026

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.

Severity Score

Related Resources (6)

https://gerrit.wikimedia.org/r/q/I563219f3298a8740e158d130492bf3d2897784d7
https://nvd.nist.gov/vuln/detail/CVE-2025-11175
https://gerrit.wikimedia.org/r/q/I126203ab1d3ec8c1719cbb5460a887e4d0c2cc6d
https://phabricator.wikimedia.org/T396248
https://phabricator.wikimedia.org/T364910
https://www.mend.io/vulnerability-database/CVE-2025-11175

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')

CWE-917

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): LOW
Availability (A): NONE

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