MediaWiki releases 1.24.2, 1.23.9, and 1.19.24 fix a number of security flaws: https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.html
Created mediawiki tracking bugs for this issue: Affects: fedora-all [bug 1208073]
Created mediawiki119 tracking bugs for this issue: Affects: epel-6 [bug 1208074]
CVE request: http://seclists.org/oss-sec/2015/q2/0
14 CVEs were assigned: http://seclists.org/oss-sec/2015/q2/61
mediawiki-1.23.9-1.fc20 has been pushed to the Fedora 20 stable repository. If problems still persist, please make note of it in this bug report.
mediawiki-1.24.2-1.fc21 has been pushed to the Fedora 21 stable repository. If problems still persist, please make note of it in this bug report.
mediawiki-1.24.2-1.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.
Fixed previously.