CVE-2020-35475
CVE-2020-35475
This page contains facts from public vulnerability sources. Check the original advisory before updating.
In MediaWiki before 1.35.1, the messages userrights-expiry-current and userrights-expiry-none can contain raw HTML. XSS can happen when a user visits Special:UserRights but does not have rights to change all userrights, and the table on the left side has unchangeable groups in it. (The right column with the changeable groups is not affected and is escaped correctly.)
CVSS 7.5 · High · EPSS 1.6% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
n/a
- Versions
- n/a: Affected
No fix published
mediawiki Debian:12
- Affected ranges
- ECOSYSTEM: < 1:1.35.1-1
Update to 1:1.35.1-1
mediawiki Debian:13
- Affected ranges
- ECOSYSTEM: < 1:1.35.1-1
Update to 1:1.35.1-1
mediawiki Debian:14
- Affected ranges
- ECOSYSTEM: < 1:1.35.1-1
Update to 1:1.35.1-1
mediawiki Ubuntu:18.04:LTS
- Versions
- 1:1.27.3-1
- 1:1.27.4-1
- 1:1.27.4-2
- 1:1.27.4-3
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mediawiki Ubuntu:Pro:20.04:LTS
- Versions
- 1:1.31.2-1ubuntu1
- 1:1.31.5-1
- 1:1.31.5-1ubuntu1
- 1:1.31.5-2
- 1:1.31.5-3
- 1:1.31.5-3ubuntu1
- 1:1.31.6-1
- 1:1.31.7-1
- 1:1.31.7-1ubuntu0.1~esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mediawiki Ubuntu:Pro:22.04:LTS
- Versions
- 1:1.35.3-1
- 1:1.35.4-1
- 1:1.35.5-1
- 1:1.35.5-1ubuntu1
- 1:1.35.5-1ubuntu2
- 1:1.35.5-1ubuntu3
- 1:1.35.6-1
- 1:1.35.6-1ubuntu0.1~esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mediawiki Ubuntu:Pro:24.04:LTS
- Versions
- 1:1.39.4-2
- 1:1.39.5-1
- 1:1.39.6-1
- 1:1.39.7-1
- 1:1.39.7-1ubuntu0.1~esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mediawiki Ubuntu:25.10
- Versions
- 1:1.43.1+dfsg-1
- 1:1.43.1+dfsg-2
- 1:1.43.3+dfsg-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mediawiki Ubuntu:26.10
- Versions
- 1:1.43.8+dfsg-2
- 1:1.43.9+dfsg-1
- 1:1.43.9+dfsg-1ubuntu1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mediawiki Ubuntu:26.04:LTS
- Versions
- 1:1.43.3+dfsg-1
- 1:1.43.5+dfsg-1
- 1:1.43.6+dfsg-2
- 1:1.43.8+dfsg-1
- 1:1.43.8+dfsg-2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
Original sources
- https://phabricator.wikimedia.org/T268917
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html
- https://www.debian.org/security/2020/dsa-4816
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/
- https://nvd.nist.gov/vuln/detail/CVE-2020-35475