WPBifröst – Instant Passwordless Temporary Login Links <= 1.0.7 - Missing Authorization to Authenticated (Subscriber+) Privilege Escalation

2025-10-14 19:59
Jonas Benjamin Friedli

Strategic Overview

Vulnerability Overview

The WPBifröst – Instant Passwordless Temporary Login Links plugin for WordPress is vulnerable to Privilege Escalation due to a missing capability check on the ctl_create_link AJAX action in all versions up to, and including, 1.0.7. This makes it possible for authenticated attackers, with Subscriber-level access and above, to create new administrative user accounts and subsequently log in as those.

Technical Analysis

REMEDIATION: Update to version 1.0.8, or a newer patched version --- IDENTIFIER: CWE-862 (Missing Authorization) The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

External References

Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C