What is CVE-2025-62508?

CVE-2025-62508 is a medium-severity vulnerability in Starcitizentools Mediawiki-skins-citizen, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2025-10-17.

How severe is CVE-2025-62508?

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

XSS in Starcitizentools Mediawiki-skins-citizen

CVE-2025-62508

Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. Citizen from 3.3.0 to 3.9.0 are vulnerable to stored cross-site scripting in the sticky header button message handling. In stickyHeader.js the copyButtonAtt…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (32.6th 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

Starcitizentools Mediawiki-skins-citizen — versions >= 3.3.0, < 3.9.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-62508?: CVE-2025-62508 is a medium-severity vulnerability in Starcitizentools Mediawiki-skins-citizen, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2025-10-17.
How severe is CVE-2025-62508?: Medium severity. CVSS v3 base score is 6.5 out of 10.