Unscored CVE-2020-27620 EUVD-2020-20127GHSA-w94f-pc5p-284r

The Cosmos Skin for MediaWiki through 1.35.0 has stored XSS because MediaWiki messages were not being properly escaped. This is related to …

Published Oct 22, 2020 · Updated Aug 4, 2024 · Assigned by mitre

Description

The Cosmos Skin for MediaWiki through 1.35.0 has stored XSS because MediaWiki messages were not being properly escaped. This is related to wfMessage and Html::rawElement, as demonstrated by CosmosSocialProfile::getUserGroups.

References

https://phabricator.wikimedia.org/T265440
https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634749
https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634752
https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634751