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CVE-2025-49577

MEDIUM
Published 2025-06-12T18:45:18.415Z
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CVSS Score

V3.1
6.5
/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
NONE

Description

Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. Various preferences 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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

StarCitizenTools

mediawiki-skins-Citizen

Affected Versions:

>= a741639085d70c22a9f49890542a142a223bf981, < 93c36ac778397e0e7c46cf7adb1e5d848265f1bd >= 2.13.0, < 3.3.1

EU Vulnerability Database

Monitored by ENISA for EU cybersecurity

EU Coordination

Not EU Coordinated

Exploitation Status

No Known Exploitation

EUVD ID

View on ENISA

ENISA Analysis

starcitizentools/citizen-skin allows stored XSS in preference menu heading messages

Affected Products (ENISA)

starcitizentools
mediawiki-skins-citizen

ENISA Scoring

CVSS Score (3.1)

6.5
/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

EPSS Score

0.030
probability

ENISA References

https://github.com/StarCitizenTools/mediawiki-skins-Citizen/security/advisories/GHSA-jwr7-992g-68mh
https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/93c36ac778397e0e7c46cf7adb1e5d848265f1bd
https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/a741639085d70c22a9f49890542a142a223bf981
https://nvd.nist.gov/vuln/detail/CVE-2025-49577

Data provided by ENISA EU Vulnerability Database. Last updated: June 13, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

starcitizentools/citizen-skin allows stored XSS in preference menu heading messages

GHSA-jwr7-992g-68mh

Advisory Details

### Summary Various preferences messages are inserted into raw HTML, allowing anybody who can edit those messages to insert arbitrary HTML into the DOM. ### Details The `innerHtml` of the label div is set to the `textContent` of the label, essentially unsanitizing the system messages: https://github.com/StarCitizenTools/mediawiki-skins-Citizen/blob/407052e7069bdeae927d6f1a2a1c9a45b473bf9a/resources/skins.citizen.preferences/addPortlet.polyfill.js#L18 ### PoC 1. Edit `citizen-feature-custom-font-size-name` (or any other message displayed in a heading in the preferences menu) to `<img src="" onerror="alert('citizen-feature-custom-font-size-name')">` (script tags don't work here due to the way the HTML is inserted) 2. Open the preferences menu ![image](https://github.com/user-attachments/assets/b75f100d-09cc-443c-b635-e9d6ab48d133)

Affected Packages

Packagist starcitizentools/citizen-skin
ECOSYSTEM: ≥2.13.0 <3.3.1

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

References

WEB https://github.com/StarCitizenTools/mediawiki-skins-Citizen/security/advisories/GHSA-jwr7-992g-68mh
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-49577
WEB https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/93c36ac778397e0e7c46cf7adb1e5d848265f1bd
WEB https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/a741639085d70c22a9f49890542a142a223bf981
PACKAGE https://github.com/StarCitizenTools/mediawiki-skins-Citizen

Advisory provided by GitHub Security Advisory Database. Published: June 13, 2025, Modified: June 13, 2025

References

https://github.com/StarCitizenTools/mediawiki-skins-Citizen/security/advisories/GHSA-jwr7-992g-68mh
https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/93c36ac778397e0e7c46cf7adb1e5d848265f1bd
https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/a741639085d70c22a9f49890542a142a223bf981
Published: 2025-06-12T18:45:18.415Z
Last Modified: 2025-06-12T18:45:18.415Z
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