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Vulnerability record · CVE-2026-1994 · published 19 February 2026

CVE-2026-1994: Improper privilege management vulnerability

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.

9.8 CVSS 3.1 Critical EPSS 0.38% · top 70.3% CWE-269 · Improper privilege management Deferred
9.8CVSS 3.1 base score
0.38%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://plugins.trac.wordpress.org/browser/s2member/tags/260127/src/includes/classes/registrations.inc.php#L74
https://plugins.trac.wordpress.org/changeset/3461625/s2member#file5
https://www.wordfence.com/threat-intel/vulnerabilities/id/6c31cf92-26b7-484d-8c93-ce241d655d07?source=cve

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Source: NIST National Vulnerability Database (record CVE-2026-1994), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.