CVE-2017-8808

Name of the Vulnerable Software and Affected Versions MediaWiki versions prior to 1.27.4 MediaWiki versions 1.28.x prior to 1.28.3 MediaWiki versions 1.29.x prior to 1.29.2

Description The issue occurs when the $wgShowExceptionDetails setting is false and the browser sends non-standard URL escaping, leading to XSS.

Recommendations For MediaWiki versions prior to 1.27.4, update to version 1.27.4 or later. For MediaWiki versions 1.28.x prior to 1.28.3, update to version 1.28.3 or later. For MediaWiki versions 1.29.x prior to 1.29.2, update to version 1.29.2 or later.