Cross-site Scripting (XSS)

An XSS issue was discovered in MediaWiki before 1.35.6, 1.36.x before 1.36.4, and 1.37.x before 1.37.2. The widthheight, widthheightpage, and nbytes properties of messages are not escaped when used in galleries or Special:RevisionDelete...

Cross-site scripting (XSS) from field and configuration text displayed in the Panel

On Saturday, @hdodov reported that the Panel's ListItem component used in the pages and files section for example displayed HTML in page titles as it is. This could be used for cross-site scripting XSS attacks. We used his report as an opportunity to find and fix XSS issues related to dynamic sit...