CVE-2024-13925 Klarna Checkout for WooCommerce < 2.13.5 - DoS via Excessive Logging
An unauthenticated attacker can flood log files via an Ajax endpoint, causing disk exhaustion and denial of service.
- 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-2024-13925?
CVE-2024-13925 is a high-severity denial of service vulnerability in Unknown Klarna Checkout for WooCommerce, published on 17 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Klarna Checkout for WooCommerce WordPress plugin before 2.13.5 exposes an unauthenticated WooCommerce Ajax endpoint that allows an attacker to flood the log files with data at the maximum size allowed for a POST parameter per request. This can result in rapid consumption of disk space, potentially filling the entire disk.
Which versions are affected by CVE-2024-13925?
It affects 1 product.
Products include Klarna Klarna Checkout for Woocommerce.
How do I fix CVE-2024-13925?
No fix has been published for CVE-2024-13925 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-2024-13925 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-13925 exists.
Sources
Also known as GHSA-m6j5-92q7-225w.