CVE-2026-57807: WordPress OAuth Single Sign On - SSO (OAuth Client) plugin <= 38.5.8 - Broken Authentication vulnerability

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-10 · updated 2026-10-25
Weakness: CWE-288

Description

Authentication Bypass Using an Alternate Path or Channel vulnerability in miniOrange Security Software Pvt Ltd. OAuth Single Sign On - SSO (OAuth Client) allows Password Recovery Exploitation. This issue affects OAuth Single Sign On - SSO (OAuth Client): from n/a through 38.5.8.

Affected products

miniOrange Security Software Pvt Ltd. OAuth Single Sign On - SSO (OAuth Client): through 38.5.8

References

https://patchstack.com/database/wordpress/plugin/miniorange-oauth-oidc-single-sign-on/vulnerability/wordpress-oauth-single-sign-on-sso-oauth-client-plugin-38-5-8-broken-authentication-vulnerability?_s_id=cve

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