EPSS
Percentile
41.1%
Mediawiki before 1.28.1 / 1.27.2 / 1.23.16 contains a flaw, allowing a sysops to undelete pages, although the page is protected against it.
lists.wikimedia.org/pipermail/mediawiki-announce/2017-April/000207.html
phabricator.wikimedia.org/T108138
security-tracker.debian.org/tracker/CVE-2017-0369