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CVE-2025-11175— DiscussionTools should use better regex

Quick assessment

Affected
The Wikimedia Foundation Mediawiki - DiscussionTools Extension
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mediawiki - DiscussionTools Extension是Mediawiki开源的一个讨论页插件。 Mediawiki - DiscussionTools Extension 1.44版本和1.43版本存在安全漏洞，该漏洞源于表达式语言语句中特殊元素中和不当，可能导致正则表达式指数爆炸。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.47% · P41

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-11175

Vulnerability Information
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Vulnerability Title
DiscussionTools should use better regex
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
表达式语言语句中使用的特殊元素转义处理不恰当(表达式语言注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Mediawiki - DiscussionTools Extension 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mediawiki - DiscussionTools Extension是Mediawiki开源的一个讨论页插件。 Mediawiki - DiscussionTools Extension 1.44版本和1.43版本存在安全漏洞，该漏洞源于表达式语言语句中特殊元素中和不当，可能导致正则表达式指数爆炸。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
The Wikimedia Foundation Mediawiki - DiscussionTools Extension 1.44 -

II. Public POCs for CVE-2025-11175

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III. Intelligence Information for CVE-2025-11175

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IV. Related Vulnerabilities

Same vendor: The Wikimedia Foundation
Same weakness: CWE-917