s2Member – Best Membership Plugin for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscription, CVE-2026-1994

CVE, Research URL: CVE-2026-1994
Home page URL: Security reports for s2Member – Best Membership Plugin for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscription
Application: s2Member – Best Membership Plugin for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscription
Published on: Feb 19, 2026
Research Description: The s2Member plugin for WordPress is vulnerable to privilege escalation via account takeover in all versions up to, and including, 260127. This is due to the plugin not properly validating a user's identity prior to updating their password. This makes it possible for unauthenticated attackers to change arbitrary user's passwords, including administrators, and leverage that to gain access to their account.
Affected versions: max 260215.
Status: vulnerable

s2Member – Best Membership Plugin for All Kinds of Memberships, Content Restriction Paywalls &amp; Member Access Subscription, CVE-2026-1994