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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| S2member Plugin | — | Update s2member plugin to version 260215, or a newer patched version | Feb 19, 2026 | Feb 18, 2026 |
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