CVE-2021-45038: Infoleak
First published: Fri Dec 17 2021(Updated: )
An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. By using an action=rollback query, attackers can view private wiki contents.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| MediaWiki | <1.35.5 | |
| MediaWiki | >=1.36.0<1.36.3 | |
| MediaWiki | >=1.37.0<1.37.1 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-45038?
CVE-2021-45038 is considered a high severity vulnerability due to the potential exposure of private wiki content.
How do I fix CVE-2021-45038?
To fix CVE-2021-45038, upgrade MediaWiki to version 1.35.5, 1.36.3, or 1.37.1 or later.
What versions of MediaWiki are affected by CVE-2021-45038?
CVE-2021-45038 affects MediaWiki versions prior to 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1.
What kind of attack is possible with CVE-2021-45038?
With CVE-2021-45038, attackers can utilize the action=rollback query to access private contents of a wiki.
Is there a workaround for CVE-2021-45038?
There are no effective workarounds for CVE-2021-45038; upgrading to a patched version is necessary.
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- vendor/mediawiki
- canonical/mediawiki
- version/mediawiki/1.36.0
- version/mediawiki/1.37.0