CVE-2023-37302
MediaWiki Cross-site Scripting vulnerability
6.1
MEDIUM
CVSS 3.1
EPSS 1.7%
Description
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).
How to fix CVE-2023-37302
To remediate CVE-2023-37302, upgrade the affected package to a fixed version below.
- —upgrade to 1.39.4 or later
- —no fix listed
Is CVE-2023-37302 being exploited?
Low — EPSS is 1.7%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.39.4
- from 0, <= 1.39.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |