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CVE-2025-32699— Potential javascript injection attack enabled by Unicode normalization in Action API

Quick assessment

Affected
Wikimedia Foundation MediaWiki
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是美国维基媒体（Wikimedia）基金会的一套自由免费的基于网络的Wiki引擎。该产品可用于部署内部的知识管理和内容管理系统。 MediaWiki存在安全漏洞，该漏洞源于允许在网页生成过程中注入恶意脚本，攻击者可能利用此漏洞执行跨站脚本攻击。

AI Predicted 9.8 Difficulty: Easy EPSS 0.41% · P36

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-32699

Vulnerability Information
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Vulnerability Title
Potential javascript injection attack enabled by Unicode normalization in Action API
Source: CVE Program / CVE List V5
Vulnerability Description
Vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation Parsoid.This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1; Parsoid: before 0.16.5, 0.19.2, 0.20.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/RE:M/U:Amber
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
MediaWiki 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaWiki是美国维基媒体（Wikimedia）基金会的一套自由免费的基于网络的Wiki引擎。该产品可用于部署内部的知识管理和内容管理系统。 MediaWiki存在安全漏洞，该漏洞源于允许在网页生成过程中注入恶意脚本，攻击者可能利用此漏洞执行跨站脚本攻击。
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 0 ~ 1.39.12, 1.42.6, 1.43.1 -
Wikimedia Foundation Parsoid 0 ~ 0.16.5, 0.19.2, 0.20.2 -

II. Public POCs for CVE-2025-32699

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III. Intelligence Information for CVE-2025-32699

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Same Patch Batch · Wikimedia Foundation · 2025-04-10 · 6 CVEs total

CVE-2025-32700 AbuseFilter log interfaces expose global private and hidden filters when central DB is not
CVE-2025-32698 LogPager.php: Restriction enforcer functions do not correctly enforce suppression restrict
CVE-2025-32697 Cascading protection is not preventing file reversions
CVE-2025-32696 "reupload-own" restriction can be bypassed by reverting file
CVE-2025-3469 i18n XSS vulnerability in HTMLMultiSelectField when sections are used

IV. Related Vulnerabilities

Same product: MediaWiki
Same vendor: Wikimedia Foundation
Same weakness: CWE-79