CVE-2022-42985: Scratch-Wiki Scratch Login

Medium severity, CVSS 4.8. EPSS: 0.4% chance of exploitation in the next 30 days.

The ScratchLogin extension through 1.1 for MediaWiki does not escape verification failure messages, which allows users with administrator privileges to perform cross-site scripting (XSS).

Affected products

Published 2022-11-17. Last modified 2026-06-17.