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CVE-2025-62661— Do permission checking when getting counts of global and local edits, new articles and thanks

Quick assessment

Affected
The Wikimedia Foundation Mediawiki - Thanks Extension, Mediawiki - Growth Experiments 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 - Thanks Extension和MediaWiki - Growth Experiments Extension都是MediaWiki开源的产品。MediaWiki - Thanks Extension是一个致谢扩展。MediaWiki - Growth Experiments Extension是一个网页扩展。 MediaWiki - Thanks Extension和MediaWiki - Growth Experiments Extension 1.44之前版本存在安全漏洞

AI Predicted 5.3 Difficulty: Moderate EPSS 0.35% · P27

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-62661

Vulnerability Information
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Vulnerability Title
Do permission checking when getting counts of global and local edits, new articles and thanks
Source: CVE Program / CVE List V5
Vulnerability Description
Incorrect Default Permissions vulnerability in The Wikimedia Foundation Mediawiki - Thanks Extension, Mediawiki - Growth Experiments Extension allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects Mediawiki - Thanks Extension, Mediawiki - Growth Experiments Extension: from 1.43 before 1.44.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
缺省权限不正确
Source: CVE Program / CVE List V5
Vulnerability Title
MediaWiki - Thanks Extension和MediaWiki - Growth Experiments Extension 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaWiki - Thanks Extension和MediaWiki - Growth Experiments Extension都是MediaWiki开源的产品。MediaWiki - Thanks Extension是一个致谢扩展。MediaWiki - Growth Experiments Extension是一个网页扩展。 MediaWiki - Thanks Extension和MediaWiki - Growth Experiments Extension 1.44之前版本存在安全漏洞
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 - Thanks Extension, Mediawiki - Growth Experiments Extension 1.43 ~ 1.44 -

II. Public POCs for CVE-2025-62661

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III. Intelligence Information for CVE-2025-62661

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Same Patch Batch · The Wikimedia Foundation · 2025-10-21 · 8 CVEs total

CVE-2025-62699 Special:Translate tool does not use the correct IP and User-Agent in the CheckUser tool
CVE-2025-62696 Multiple critical security issues in Springboard
CVE-2025-62695 Stored XSS through system messages
CVE-2025-62701 Stored XSS through system messages
CVE-2025-62694 Stored XSS through a system message
CVE-2025-62702 Stored XSS through system messages
CVE-2025-12004 The compare API module breaks Extension:Lockdown

IV. Related Vulnerabilities

Same vendor: The Wikimedia Foundation
Same weakness: CWE-276

V. Comments for CVE-2025-62661

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