Known vulnerabilities in WP OAuth Server ( Login with WordPress )

Single Sign-On using WordPress - Login with WordPress to your application/sites using your WordPress account. [24/7 Support]

3Reported vulnerabilities

9.8Highest CVSS score

6.3.0Latest version

1,000+Active installs

What to do now

Update WP OAuth Server ( Login with WordPress ) to 6.3.1 or later. 3 of these have a fixed version available. Updating resolves them.

Plugin last updated: August 7, 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-2022-34149	Critical 9.8	1.3%	3.0.4 and earlier	`4.0.1`	August 22, 2022
CVE-2026-65520	High 7.5	0.3%	6.2.0 and earlier	`6.2.1`	July 28, 2026
CVE-2026-19715	Medium 5.3	0.3%	Before 6.3.1	`6.3.1`	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.