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Kustom Checkout for WooCommerce vulnerabilities

Kustom Checkout for WooCommerce has 1 known vulnerability in this database. The most recent published record is dated 17 Apr 2025.

Known vulnerabilities
1
Active installs
10,000+
Latest version
2.22.0
Last updated
28 Sep 2026
Most recent
17 Apr 2025

Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.

VulnerabilitySeverityAffectedFixPublished
Security weakness
CVE-2024-13925
High 7.5Before 2.13.5Fixed in 2.13.517 Apr 2025
Read the published descriptions
CVE-2024-13925, 17 Apr 2025
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. CVE record

What to do if you run Kustom Checkout for WooCommerce

If you run Kustom Checkout for WooCommerce, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.

If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.

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