CVE-2025-53481 Denial of service vector on ipinfo/v0/norevision
Attackers can cause denial of service via excessive resource consumption in the MediaWiki IPInfo extension, requiring an upgrade to patched versions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-53481?
CVE-2025-53481 is a high-severity denial of service vulnerability in Wikimedia Foundation Mediawiki - IPInfo Extension, published on 4 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Uncontrolled Resource Consumption vulnerability in Wikimedia Foundation Mediawiki - IPInfo Extension allows Excessive Allocation.This issue affects Mediawiki - IPInfo Extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
Weakness: CWE-400
Which versions are affected by CVE-2025-53481?
How do I fix CVE-2025-53481?
No fix has been published for CVE-2025-53481 yet. Limit exposure of the affected software until one is available.
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-2025-53481 being exploited?
There is no known exploitation of CVE-2025-53481 in the wild and no public exploit code.
Sources
Also known as GHSA-v6mw-4fwv-qvr5.