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OpenAdvisories
Critical · 9.8 CVE-2026-1994 EUVD-2026-8236GHSA-2h7x-xp9w-mxwc

s2Member <= 260127 - Unauthenticated Privilege Escalation via Account Takeover

Published Feb 19, 2026 · Updated Apr 8, 2026 · Assigned by Wordfence

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 products

VendorProductAffectedFixed
clavaque s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions ≤ 260127 —

References