Description
An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. Special:CheckUserLog allows CheckUser XSS because of date mishandling, as demonstrated by an XSS payload in MediaWiki:October.
Advisories 1
- WID-SEC-2022-1512 MediaWiki: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 21, 2023