XSS in Mediawiki

CVE-2023-22910

An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1. There is XSS in Wikibase date formatting via wikibase-time-precision-* fields. This allows JavaScript execution by staff/admin users who do not intentionally have the editsitejs capability.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (40.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

  • Mediawiki — versions 1.39.0
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-22910?
CVE-2023-22910 is a medium-severity vulnerability in Mediawiki, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-01-20.
How severe is CVE-2023-22910?
Medium severity. CVSS v3 base score is 5.4 out of 10.