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CVE-2025-53370
Citizen stored XSS vulnerability through short descriptions
High8.6EPSS 0.39%
- Published
- Updated
- Reserved
- Assigned by
- GitHub_M
Description
Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. From versions 1.9.4 to before 3.4.0, short descriptions set via the ShortDescription extension are inserted as raw HTML by the Citizen skin, allowing any user to insert arbitrary HTML into the DOM by editing a page. This issue has been patched in version 3.4.0.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 3.1 | High8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L |
| NVDNVD · Analyzed | 3.1 | Medium5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.39% · top 67% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.6.
Weakness
Affected products
StarCitizenTools · mediawiki-skins-Citizen
- affected >= 65a7ffd927467c8c3557146d1ac6de62b0369b6c, < c85a40bddc8651fff66df83a72debddcb34f0521
- affected >= 1.9.4, < 3.4.0
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Packagiststarcitizentools/citizen-skinGHSA-prmv-7r8c-794g (opens in a new tab)
References (3)
- https://github.com/StarCitizenTools/mediawiki-skins-Citizen/security/advisories/GHSA-prmv-7r8c-794g (opens in a new tab)x_refsource_CONFIRM
- https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/c85a40bddc8651fff66df83a72debddcb34f0521 (opens in a new tab)x_refsource_MISC
- https://github.com/StarCitizenTools/mediawiki-skins-Citizen/releases/tag/v3.4.0 (opens in a new tab)x_refsource_MISC
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-prmv-7r8c-794g (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2025-53370)Record last updated .