What is CVE-2023-37302?

CVE-2023-37302 is a medium-severity vulnerability in Mediawiki, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-06-30.

How severe is CVE-2023-37302?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Mediawiki

CVE-2023-37302

An issue was discovered in SiteLinksView.php in Wikibase in MediaWiki through 1.39.3. There is XSS via a crafted badge title attribute. This is also related to lack of escaping in wbTemplate (from resources/wikibase/templates.js) for quotes (which can be in a title attribute).

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (49.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Mediawiki
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Exploit, Patch, Issue Tracking, Vendor Advisory)
cve@mitre.org (Release Notes, Vendor Advisory)
cve@mitre.org (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2023-37302?: CVE-2023-37302 is a medium-severity vulnerability in Mediawiki, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-06-30.
How severe is CVE-2023-37302?: Medium severity. CVSS v3 base score is 6.1 out of 10.