CVE-2015-2941 Information

Description

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.19.24 1.2x before 1.23.9 and 1.24.x before 1.24.2 when using HHVM allows remote attackers to inject arbitrary web script or HTML via an invalid parameter in a wddx format request to api.php which is not properly handled in an error message related to unsafe calls to wddx_serialize_value.

Reference

http://www.openwall.com/lists/oss-security/2015/04/01/1 http://www.openwall.com/lists/oss-security/2015/04/07/3 http://www.securityfocus.com/bid/73477 https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.html https://phabricator.wikimedia.org/T85851 https://security.gentoo.org/glsa/201510-05