CVE-2023-29140 Information disclosure in n/a
Attackers can view hidden usernames in edits due to missing rev_deleted checks in the GrowthExperiments extension for MediaWiki.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-29140?
CVE-2023-29140 is a medium-severity vulnerability in Mediawiki Mediawiki, published on 31 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in the GrowthExperiments extension for MediaWiki through 1.39.3. Attackers might be able to see edits for which the username has been hidden, because there is no check for rev_deleted.
Weakness: CWE-284
Which versions are affected by CVE-2023-29140?
1 open source package ship an affected version, including mediawiki. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mediawiki Bitnami | All versions | 1.39.4 |
Products include Mediawiki Mediawiki.
How do I fix CVE-2023-29140?
Upgrade mediawiki to 1.39.4 or later.
Is CVE-2023-29140 being exploited?
There is no known exploitation of CVE-2023-29140 in the wild and no public exploit code.
Other vulnerabilities in Mediawiki Mediawiki
Sources
Also known as BIT-mediawiki-2023-29140, GHSA-w359-qv84-vjqp.