CVE-2026-58033
"Total number of distinct authors" statistic at action=info does not exclude revisions where the author name was deleted
Description
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Actions/InfoAction.Php. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.
INFO
Published Date :
July 1, 2026, 2:54 p.m.
Last Modified :
July 1, 2026, 2:54 p.m.
Remotely Exploit :
Yes !
Source :
wikimedia-foundation
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | MEDIUM | c4f26cc8-17ff-4c99-b5e2-38fc1793eacc | ||||
| CVSS 4.0 | MEDIUM | c4f26cc8-17ff-4c99-b5e2-38fc1793eacc |
Solution
- Update MediaWiki to version 1.46.0 or later.
- Apply security patches for versions 1.45.4, 1.44.6, or 1.43.9.
- Review file access controls.
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