Known vulnerabilities in Klarna for WooCommerce

Grow your business for increased sales and enhanced shopping experiences at no extra costs.

2Reported vulnerabilities

7.5Highest CVSS score

4.12.2Latest version

20,000+Active installs

What to do now

Update Klarna for WooCommerce to 4.13.4 or later. 2 of these have a fixed version available. Updating resolves them.

Plugin last updated: August 17, 2026 / Tested up to WordPress: 7.0.4 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2026-110590	High 7.5	0.3%	0 to 4.13.3 (inclusive)	`4.13.4`	October 16, 2026
CVE-2024-30477	Medium 5.3	0.5%	3.2.4 and earlier	`3.3.0`	March 28, 2024

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.