CVE-2023-45361 Denial of service in n/a
An uncaught exception in MediaWiki's Vector Skin causes incorrect web pages, potentially disrupting service availability for users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-45361?
CVE-2023-45361 is a medium-severity denial of service vulnerability in n/a, published on 9 Oct 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An issue was discovered in VectorComponentUserLinks.php in the Vector Skin component in MediaWiki before 1.39.5 and 1.40.x before 1.40.1. vector-intro-page MalformedTitleException is uncaught if it is not a valid title, leading to incorrect web pages.
Which versions are affected by CVE-2023-45361?
How do I fix CVE-2023-45361?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-45361 being exploited?
There is no known exploitation of CVE-2023-45361 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2023-45361, GHSA-vcv5-qjfg-9jmc, UBUNTU-CVE-2023-45361.