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.
Conclusion & alert: CVE-2025-10299 is rated Moderate Risk (43.9/100): CVSS High severity, with low exploitation likelihood (EPSS 0.33%).Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
Exploit prediction scoring system (EPSS) score for CVE-2025-10299
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).