Known vulnerabilities in OAuth Single Sign On – SSO (OAuth Client)

WordPress SSO (Single Sign On) with Azure, Okta, Cognito, Keycloak, OAuth & OpenID Providers. Free Unlimited SSO Authentication [24/7 Support]

8Reported vulnerabilities

9.8Highest CVSS score

7.1.0Latest version

6,000+Active installs

What to do now

Update OAuth Single Sign On – SSO (OAuth Client) to 6.26.15 or later. 8 of these have a fixed version available. Updating resolves them.

Plugin last updated: August 13, 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-2023-1092	Medium 6.5	0.4%	0 up to (but not including) 6.24.2 0 up to (but not including) 28.4.9 0 up to (but not including) 38.4.9 0 up to (but not including) 48.4.9	`6.24.2`	March 27, 2023
CVE-2025-9485	Critical 9.8	0.6%	0 to 6.26.12 (inclusive)	`6.26.13`	October 4, 2025
CVE-2022-34155	High 8.8	1.0%	6.23.3 and earlier	`6.23.4`	May 24, 2023
CVE-2024-10111	High 8.1	0.8%	0 to 6.26.3 (inclusive)	`6.26.4`	December 12, 2024
WF-bb2a67ff-a452-4ecb-9fd7-bf05fe43a2f7	Medium 6.4	—	6.22.5 and earlier	`6.23.0`	June 22, 2022
WF-44cbaa25-7e91-4b2e-81c4-ba1d7ba02350	Medium 6.1	—	6.20.2 and earlier	`6.20.3`	August 30, 2021
CVE-2025-10753	Medium 5.3	0.3%	0 to 6.26.14 (inclusive)	`6.26.15`	February 6, 2026
CVE-2025-10752	Medium 4.3	0.2%	0 to 6.26.12 (inclusive)	`6.26.13`	September 26, 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.