CVE-2022-41766 Information disclosure in n/a
MediaWiki leaks suppressed usernames during rollback actions, exposing private user data to attackers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-41766?
CVE-2022-41766 is a medium-severity vulnerability in Mediawiki Mediawiki, published on 29 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An issue was discovered in MediaWiki before 1.35.8, 1.36.x and 1.37.x before 1.37.5, and 1.38.x before 1.38.3. Upon an action=rollback operation, the alreadyrolled message can leak a user name (when the user has been revision deleted/suppressed).
Weakness: CWE-732
Which versions are affected by CVE-2022-41766?
1 open source package ship an affected version, including mediawiki. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mediawiki Bitnami | All versions | 1.35.8, 1.37.5, 1.38.3 |
Products include Mediawiki Mediawiki.
How do I fix CVE-2022-41766?
Upgrade mediawiki to a fixed version for your release line: 1.35.8, 1.37.5 or 1.38.3.
Is CVE-2022-41766 being exploited?
There is no known exploitation of CVE-2022-41766 in the wild and no public exploit code.
Other vulnerabilities in Mediawiki Mediawiki
Sources
Also known as BIT-mediawiki-2022-41766, GHSA-75q9-6ghf-f447, UBUNTU-CVE-2022-41766.