Known vulnerabilities in Mailrelay

Easily sync your wordpress users with Mailrelay.com.

1Reported vulnerabilities

4.3Highest CVSS score

3.0.2Latest version

1,000+Active installs

What to do now

Update Mailrelay to 2.1.2 or later. 1 of these have a fixed version available. Updating resolves them.

Plugin last updated: July 27, 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-2023-45108	Medium 4.3	0.2%	2.1.1 and earlier	`2.1.2`	October 6, 2023

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