CVE-2023-29137 Information disclosure in n/a
Attackers can retrieve arbitrary users' timezone preferences, potentially de-anonymizing them, requiring an upgrade of the GrowthExperiments extension.
- 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-2023-29137?
CVE-2023-29137 is a medium-severity vulnerability in Mediawiki Mediawiki, published on 31 Mar 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An issue was discovered in the GrowthExperiments extension for MediaWiki through 1.39.3. The UserImpactHandler for GrowthExperiments inadvertently returns the timezone preference for arbitrary users, which can be used to de-anonymize users.
Weakness: CWE-200
Which versions are affected by CVE-2023-29137?
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-2023-29137?
Upgrade mediawiki to 1.39.4 or later.
Is CVE-2023-29137 being exploited?
There is no known exploitation of CVE-2023-29137 in the wild and no public exploit code.
Other vulnerabilities in Mediawiki Mediawiki
Sources
Also known as BIT-mediawiki-2023-29137, GHSA-f3hr-rv72-879p.