CVE-2025-53500— Stored XSS in MassEditRegex
Quick assessment
Affected
Wikimedia Foundation Mediawiki - MassEditRegex 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 MassEditRegex Extension是Wikimedia基金会的一个用于维基项目的扩展。 Wikimedia Mediawiki MassEditRegex 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：1.39.12之前1.39.x版本、1.42.7之前1.42.x版本和1.43.2之前1.43.x版本。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by Compromise
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I. Basic Information for CVE-2025-53500
Vulnerability Information
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Vulnerability Title
Stored XSS in MassEditRegex
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 - MassEditRegex Extension allows Stored XSS.This issue affects Mediawiki - MassEditRegex Extension: from 1.39.X before 1.39.12, 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 MassEditRegex Extension 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wikimedia Mediawiki MassEditRegex Extension是Wikimedia基金会的一个用于维基项目的扩展。 Wikimedia Mediawiki MassEditRegex 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：1.39.12之前1.39.x版本、1.42.7之前1.42.x版本和1.43.2之前1.43.x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 - MassEditRegex Extension | 1.39.x ~ 1.39.13 | - |
|
II. Public POCs for CVE-2025-53500
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2025-53500 (1)
Same Patch Batch · Wikimedia Foundation · 2025-07-03 · 6 CVEs total
| CVE-2025-6926 | Security Authentication Bypass in CentralAuth | |
| CVE-2025-53501 | Content Access Bypass in Scribunto | |
| CVE-2025-53489 | XSS in GoogleDocs4MW | |
| CVE-2025-53502 | HTML injection in FeaturedFeeds | |
| CVE-2025-53490 | Multiple XSS in CampaignEvents |
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V. Comments for CVE-2025-53500
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