CVE-2024-13925: Klarna Checkout For Woocommerce

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Klarna Klarna Checkout For Woocommerce: before 2.13.5 (fixed in 2.13.5)

Published 2025-04-17. Last modified 2026-06-17.