Known vulnerabilities in Authenticator

This plugin allows you to make your WordPress site accessible to logged in users only.

1Reported vulnerabilities

4.3Highest CVSS score

1.3.1Latest version

1,000+Active installs

What to do now

Update Authenticator to 1.3.1 or later. 1 of these have a fixed version available. Updating resolves them.

Plugin last updated: January 21, 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-2022-3994	Medium 4.3	0.8%	Before 1.3.1	`1.3.1`	January 2, 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.