CVE-2025-53494— Stored XSS in TwoColConflict
Quick assessment
Affected
Wikimedia Foundation Mediawiki - TwoColConflict 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.
Wikimedia Mediawiki - TwoColConflict Extension是Wikimedia基金会的一个编辑冲突解决扩展。 Wikimedia Mediawiki - TwoColConflict Extension存在安全漏洞，该漏洞源于输入中和不当，可能导致存储型跨站脚本攻击。以下版本受到影响：1.39.X至1.39.13之前版本、1.42.X至1.42.7之前版本和1.43.X至1.43.2之前版本。
Possible ATT&CK Techniques 1 AI
T1059.007 · JavaScript
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I. Basic Information for CVE-2025-53494
Vulnerability Information
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Vulnerability Title
Stored XSS in TwoColConflict
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - TwoColConflict Extension allows Stored XSS.This issue affects Mediawiki - TwoColConflict Extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Wikimedia Mediawiki - TwoColConflict Extension 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wikimedia Mediawiki - TwoColConflict Extension是Wikimedia基金会的一个编辑冲突解决扩展。 Wikimedia Mediawiki - TwoColConflict Extension存在安全漏洞，该漏洞源于输入中和不当，可能导致存储型跨站脚本攻击。以下版本受到影响：1.39.X至1.39.13之前版本、1.42.X至1.42.7之前版本和1.43.X至1.43.2之前版本。
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 |
|---|---|---|---|---|
| Wikimedia Foundation | Mediawiki - TwoColConflict Extension | 1.39.x ~ 1.39.13 | - |
|
II. Public POCs for CVE-2025-53494
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2025-53494 (1)
Same Patch Batch · Wikimedia Foundation · 2025-07-02 · 3 CVEs total
| CVE-2025-53493 | Stored XSS in MintyDocs | |
| CVE-2025-53492 | Stored XSS in MintyDocs |
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V. Comments for CVE-2025-53494
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