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HIGH

OAuth Single Sign On – SSO (OAuth Client) <= 6.26.3 - Authentication Bypass

Published Dec 12, 2024

Description

The OAuth Single Sign On – SSO (OAuth Client) plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including, 6.26.3. This is due to insufficient verification on the user being returned by the social login token. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they have access to the username and the user does not have an already-existing account for the service returning the token.

Affected products

Remediation

No remediation recorded yet.

References (3)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner Wordfence
Published Dec 12, 2024
Updated Apr 8, 2026
Reserved Oct 17, 2024
CISA Vulnrichment
Updated Dec 12, 2024
NVD
Status Deferred
Modified Jun 17, 2026
Red Hat
Severity n/a
Public date n/a