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CVE-2025-53369— Citizen Short Description stored XSS vulnerability through wikitext

Quick assessment

Affected
StarCitizenTools mediawiki-extensions-ShortDescription
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

StarCitizenTools Mediawiki Extensions ShortDescription是StarCitizenTools开源的一个用维基项目的扩展。 StarCitizenTools Mediawiki Extensions ShortDescription 4.0.0版本存在跨站脚本漏洞，该漏洞源于短描述未正确清理，可能导致任意HTML注入。

CVSS 8.6 · High EPSS 0.30% · P22

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-53369

Vulnerability Information
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Vulnerability Title
Citizen Short Description stored XSS vulnerability through wikitext
Source: CVE Program / CVE List V5
Vulnerability Description
Short Description is a MediaWiki extension that provides local short description support. In version 4.0.0, short descriptions are not properly sanitized before being inserted as HTML using mw.util.addSubtitle, allowing any user to insert arbitrary HTML into the DOM by editing a page. This issue has been patched in version 4.0.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
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
StarCitizenTools Mediawiki Extensions ShortDescription 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
StarCitizenTools Mediawiki Extensions ShortDescription是StarCitizenTools开源的一个用维基项目的扩展。 StarCitizenTools Mediawiki Extensions ShortDescription 4.0.0版本存在跨站脚本漏洞，该漏洞源于短描述未正确清理，可能导致任意HTML注入。
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
StarCitizenTools mediawiki-extensions-ShortDescription >= 05f6c6824f8f37dcc2d51cf6df4e7a09bea2196c, < 2c18bd21c5de53c336f55b6ff42f2983ea5796b4 -

II. Public POCs for CVE-2025-53369

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 6249 chars
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III. Intelligence Information for CVE-2025-53369

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Vendor Advisories for CVE-2025-53369 (1)

Same Patch Batch · StarCitizenTools · 2025-07-03 · 3 CVEs total

CVE-2025-53370 8.6 HIGH Citizen stored XSS vulnerability through short descriptions
CVE-2025-53368 8.6 HIGH Citizen is vulnerable to stored XSS attack in the legacy search bar

IV. Related Vulnerabilities

Same product: mediawiki-extensions-ShortDescription
Same vendor: StarCitizenTools
Same weakness: CWE-79

V. Comments for CVE-2025-53369

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