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CVE-2025-7363— TitleIcon: Stored Cross-Site Scripting (XSS) via #titleicon_unicode parser function

Quick assessment

Affected
Wikimedia Foundation Mediawiki - TitleIcon 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 - TitleIcon extension是Wikimedia基金会的一个标题图标扩展。 Wikimedia Mediawiki - TitleIcon extension 1.39.13之前版本、1.42.7之前版本和1.43.2之前版本存在安全漏洞，该漏洞源于#titleicon_unicode解析函数未经清理导致存储型跨站脚本。

AI Predicted 6.1 Difficulty: Moderate EPSS 0.21% · P11
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I. Basic Information for CVE-2025-7363

Vulnerability Information
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Vulnerability Title
TitleIcon: Stored Cross-Site Scripting (XSS) via #titleicon_unicode parser function
Source: CVE Program / CVE List V5
Vulnerability Description
The TitleIcon extension for MediaWiki is vulnerable to stored XSS through the #titleicon_unicode parser function. User input passed to this function is wrapped in an HtmlArmor object without sanitization and rendered directly into the page header, allowing attackers to inject arbitrary JavaScript. This issue affects Mediawiki - TitleIcon 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 - TitleIcon extension 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wikimedia Mediawiki - TitleIcon extension是Wikimedia基金会的一个标题图标扩展。 Wikimedia Mediawiki - TitleIcon extension 1.39.13之前版本、1.42.7之前版本和1.43.2之前版本存在安全漏洞，该漏洞源于#titleicon_unicode解析函数未经清理导致存储型跨站脚本。
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 - TitleIcon extension 1.39.x ~ 1.39.13 -

II. Public POCs for CVE-2025-7363

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III. Intelligence Information for CVE-2025-7363

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Same Patch Batch · Wikimedia Foundation · 2025-07-08 · 4 CVEs total

CVE-2025-7362 MsUpload: Stored Cross-Site Scripting (XSS) via unsanitized msu-continue system message
CVE-2025-53479 CheckUser: Reflected Cross-Site Scripting (XSS) in Special:CheckUser via unsanitized inter
CVE-2025-53480 CheckUser: Reflected Cross-Site Scripting (XSS) in Special:Investigate (Account informatio

IV. Related Vulnerabilities

Same vendor: Wikimedia Foundation
Same weakness: CWE-79

V. Comments for CVE-2025-7363

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