CVEvulnerability
CVE-2020-12051
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-04-21
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
Description
The CentralAuth extension through REL1_34 for MediaWiki allows remote attackers to obtain sensitive hidden account information via an api.php?action=query&meta=globaluserinfo&guiuser= request. In other words, the information can be retrieved via the action API even though access would be denied when simply visiting wiki/Special:CentralAuth in a web browser.
Affected configurations
• mediawiki mediawiki
References
- https://gerrit.wikimedia.org/r/#/q/I3c80641dc1202df7428714f0ca44717a51ff6021 Vendor Advisory
- https://phabricator.wikimedia.org/T250594 Patch, Vendor Advisory
- https://gerrit.wikimedia.org/r/#/q/I3c80641dc1202df7428714f0ca44717a51ff6021 Vendor Advisory
- https://phabricator.wikimedia.org/T250594 Patch, Vendor Advisory