What is CVE-2025-49577?

CVE-2025-49577 is a medium-severity vulnerability in Starcitizen.tools Citizen, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2025-06-12.

How severe is CVE-2025-49577?

Medium severity. CVSS v3 base score is 6.5 out of 10.

XSS in Starcitizen.tools Citizen

CVE-2025-49577

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 vulnerabil…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (26.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.

Affected products

Starcitizen.tools Citizen
Starcitizentools Mediawiki-skins-citizen — versions >= a741639085d70c22a9f49890542a142a223bf981, < 93c36ac778397e0e7c46cf7adb1e5d848265f1bd, >= 2.13.0, < 3.3.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2025-49577?: CVE-2025-49577 is a medium-severity vulnerability in Starcitizen.tools Citizen, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2025-06-12.
How severe is CVE-2025-49577?: Medium severity. CVSS v3 base score is 6.5 out of 10.