Remote Yes

Type Cross-site scripting

Description

MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2 has XSS when the $wgShowExceptionDetails setting is false and the browser sends non-standard URL escaping.

AVG-490 mediawiki 1.29.1-1 1.29.2-1 High Fixed

15 Nov 2017 ASA-201711-20 AVG-490 mediawiki High multiple issues

https://lists.wikimedia.org/pipermail/mediawiki-announce/2017-November/000216.html
https://phabricator.wikimedia.org/T178451
https://github.com/wikimedia/mediawiki/commit/1713ddeff12b263fb7634796dc029d3fe26ade41