CVE-2023-45362 Information disclosure in n/a
Attackers can view suppressed usernames in MediaWiki diffs, leaking private user information.
- 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-2023-45362?
CVE-2023-45362 is a medium-severity vulnerability in Mediawiki Mediawiki, published on 3 Nov 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An issue was discovered in DifferenceEngine.php in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. diff-multi-sameuser (aka "X intermediate revisions by the same user not shown") ignores username suppression. This is an information leak.
Which versions are affected by CVE-2023-45362?
1 open source package ship an affected version, including mediawiki. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mediawiki Bitnami | All versions | 1.35.12, 1.39.5, 1.40.1 |
Products include Mediawiki Mediawiki.
How do I fix CVE-2023-45362?
Upgrade mediawiki to a fixed version for your release line: 1.35.12, 1.39.5 or 1.40.1.
Is CVE-2023-45362 being exploited?
There is no known exploitation of CVE-2023-45362 in the wild and no public exploit code.
Other vulnerabilities in Mediawiki Mediawiki
Sources
Also known as BIT-mediawiki-2023-45362, DEBIAN-CVE-2023-45362, GHSA-vpqp-jxq3-5x89, UBUNTU-CVE-2023-45362.