CVE-2021-3137: XWiki

Medium severity, CVSS 5.4. EPSS: 0.7% chance of exploitation in the next 30 days.

XWiki 12.10.2 allows XSS via an SVG document to the upload feature of the comment section.

Affected products

• XWiki XWiki: version 12.10.2 only

Published 2021-01-20. Last modified 2026-06-17.