Known vulnerabilities in Simple Payment

Turn any post, page or form into a "Buy Now" — collect credit-card payments, donations and recurring charges through the gateway you already …

5Reported vulnerabilities

9.8Highest CVSS score

2.5.2Latest version

40+Active installs

What to do now

Update Simple Payment to 2.5.3 or later. 5 of these have a fixed version available. Updating resolves them.

Plugin last updated: August 11, 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-2025-6688	Critical 9.8	0.5%	1.3.6 up to (but not including) 2.3.9	`2.3.9`	June 27, 2025
CVE-2025-62075	High 8.1	0.3%	2.4.6 and earlier	`2.4.7`	October 29, 2025
CVE-2025-62076	High 7.2	0.2%	2.4.6 and earlier	`2.4.7`	October 29, 2025
CVE-2024-54303	Medium 6.1	0.4%	2.3.7 and earlier	`2.3.8`	December 11, 2024
CVE-2026-81767	Medium 5.3	0.2%	2.5.2 and earlier	`2.5.3`	August 28, 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.