Read the docs
TI-2025-31589 Aliases CVE-2025-49576GHSA-86xf-2mgp-gv3g

Citizen allows stored XSS in search no result messages

Priority MEDIUM 62CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. The citizen-search-noresults-title and citizen-search-noresults-desc system messages are inserted into raw HTML, allowing anybody who can edit those messages to insert arbitrary HTML into the DOM. This vulnerability is fixed in 3.3.1.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00425 37th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed mediawiki-skins-Citizen (StarCitizenTools): 3.3.1starcitizentools/citizen-skin (Packagist): 3.3.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
StarCitizenToolsmediawiki-skins-Citizen>= a0296afaedbe1a277337a2d8f1da83cb3a79b9ab, < 93c36ac778397e0e7c46cf7adb1e5d848265f1bd; 2.31.0 to before 3.3.13.3.1Patch availableCNA
—starcitizentools/citizen-skin (Packagist)2.31.0 to before 3.3.13.3.1Patch availableGHSA-86xf-2mgp-gv3g
  • mediawiki-skins-Citizen VendorStarCitizenTools Affected >= a0296afaedbe1a277337a2d8f1da83cb3a79b9ab, < 93c36ac778397e0e7c46cf7adb1e5d848265f1bd; 2.31.0 to before 3.3.1 Fixed in 3.3.1 Patch available CNA
  • starcitizentools/citizen-skin (Packagist) Vendor— Affected 2.31.0 to before 3.3.1 Fixed in 3.3.1 Patch available GHSA-86xf-2mgp-gv3g

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:starcitizen.tools:citizen:*:*:*:*:*:mediawiki:*:*before 3.3.1VulnerableStarCitizenTools
  • cpe:2.3:a:starcitizen.tools:citizen:*:*:*:*:*:mediawiki:*:* Versions before 3.3.1 Vulnerable ·StarCitizenTools

Remediation

  • Fix · CNA mediawiki-skins-Citizen (StarCitizenTools) Fixed in 3.3.1
  • Fix · GHSA-86xf-2mgp-gv3g starcitizentools/citizen-skin (Packagist) Fixed in 3.3.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-49576
  2. 2026-10-03 Alias added: GHSA-86xf-2mgp-gv3g

References

  • TI-2025-33330 Citizen is vulnerable to stored XSS attack in the legacy search bar CVSS 3.1HIGH 8.6
  • TI-2025-33332 Citizen stored XSS vulnerability through short descriptions CVSS 3.1HIGH 8.6
  • TI-2024-23953 Citizen has a Stored Cross-Site Scripting Vulnerability by editing MediaWiki:Tagline CVSS 3.1MEDIUM 6.5
  • TI-2025-31592 Citizen allows stored XSS in menu heading message CVSS 3.1MEDIUM 6.5
  • TI-2025-31591 Citizen allows stored XSS in user registration date message CVSS 3.1MEDIUM 6.5
  • TI-2025-31590 Citizen allows stored XSS in preference menu headings CVSS 3.1MEDIUM 6.5
See all 8 →

Sources