VDB
CVE-2021-30156
CVE-2021-30156
PUBLISHED
An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Special:Contributions can leak that a "hidden" user exists.
EPSS 0.19% · 40.8th percentile
Risk Scores
EPSS Score
0.19%
40.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:22.04:LTS | mediawiki | 1:1.35.5-1ubuntu1, *, 1:1.35.6-1 |
| Ubuntu:18.04:LTS | mediawiki | 1:1.27.4-1, 0, 1:1.27.4-3 |
| Ubuntu:20.04:LTS | mediawiki | 1:1.31.2-1ubuntu1, 1:1.31.5-1, 1:1.31.5-1ubuntu1 |
| Ubuntu:25.10 | mediawiki | 1:1.43.3+dfsg-1, 1:1.43.1+dfsg-2, 1:1.43.1+dfsg-1 |
| Ubuntu:24.04:LTS | mediawiki | 1:1.39.7-1, 1:1.39.6-1, 1:1.39.5-1 |
Exploit Intelligence
- https://phabricator.wikimedia.org/T276306 (nist-nvd)
- FEDORA-2021-f4223b6684 (circl)
- FEDORA-2021-d298103d3a (circl)
Timeline
- Apr 9, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-30156 third-party-advisory
- https://phabricator.wikimedia.org/T276306 third-party-advisory
- https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/63559cc944efeb514ba9e011c824c3698fb397f2%5E%21/ third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-30156 third-party-advisory