Known vulnerabilities in NOWPayments for WooCommerce – Crypto Payment Gateway

Accept Bitcoin, Ethereum, and 300+ cryptocurrencies in WooCommerce using the official NOWPayments crypto payment gateway.

1Reported vulnerabilities

5.3Highest CVSS score

1.4.0Latest version

4,000+Active installs

What to do now

Update NOWPayments for WooCommerce – Crypto Payment Gateway to 1.4.0 or later. Some of these have no published fix. Update to the latest version and check the vendor advisory.

Plugin last updated: July 15, 2026 / Tested up to WordPress: 6.9.7 / 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-2026-39448	Medium 5.3	0.3%	1.4.0 and earlier	—	June 29, 2026

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