Known vulnerabilities in PostmarkApp Email Integrator

Enables your WordPress site to send emails via PostMarkApp API.

3Reported vulnerabilities

4.4Highest CVSS score

2.5.0Latest version

50+Active installs

What to do now

Update PostmarkApp Email Integrator to 2.5.0 or later. 3 of these have a fixed version available. Updating resolves them.

Plugin last updated: March 23, 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-2026-1043	Medium 4.4	0.2%	0 to 2.4 (inclusive)	`2.5.0`	February 19, 2026
CVE-2025-31576	Medium 4.3	0.3%	2.4 and earlier	`2.5.0`	March 31, 2025
CVE-2025-31617	Medium 4.3	0.1%	2.4 and earlier	`2.5.0`	March 31, 2025

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