The Academist Membership plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.1.6. This is due to the academist_membership_check_facebook_user() function not properly verifying a user's identity prior to authenticating them. This makes it possible for unauthenticated attackers to log in as any user, including site administrators.
Conclusion & alert: CVE-2025-1671 is rated Moderate Risk (53.6/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.19%).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-2025-1671
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).