CVE-2020-35474

In MediaWiki before 1.35.1, the combination of Html::rawElement and Message::text leads to XSS because the definition of MediaWiki:recentchanges-legend-watchlistexpiry can be changed onwiki so that the output is raw HTML.

Score

CVSS 3.1 6.1 Medium

Status

Modified - cve@mitre.org

Published

2020-12-18

Last modified

2024-08-04

Weaknesses

CWE-79

Affected products

• Fedora (Fedoraproject)
• Mediawiki (Mediawiki)

References

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2…
• https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html
• https://phabricator.wikimedia.org/T268894