Known vulnerabilities in Subscribers – Free Web Push Notifications

Web push notifications for your website. Available in Chrome, Firefox, Edge, Opera, Android, Safari, AMP.

1Reported vulnerabilities

4.4Highest CVSS score

1.7.5Latest version

1,000+Active installs

What to do now

Update Subscribers – Free Web Push Notifications to 1.5.4 or later. 1 of these have a fixed version available. Updating resolves them.

Plugin last updated: March 31, 2026 / Tested up to WordPress: 6.8.8 / 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-2023-22684	Medium 4.4	0.4%	1.5.3 and earlier	`1.5.4`	April 19, 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.