CVE-2026-1994

CRITICAL
2026-02-19 [email protected]
9.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:03 vuln.today
CVE Published
Feb 19, 2026 - 07:17 nvd
CRITICAL 9.8

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.

Analysis

Privilege escalation via account takeover in s2Member WordPress plugin <= 260127. Broken authentication allows taking over any user account.

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Remediation

Within 24 hours: Audit all WordPress installations for s2Member plugin presence and document affected systems; temporarily disable s2Member if business operations permit. Within 7 days: Implement Web Application Firewall rules to detect exploitation attempts; conduct user access reviews for unauthorized privilege escalation; monitor logs for suspicious activity. …

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Priority Score

49
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +49
POC: 0

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CVE-2026-1994 vulnerability details – vuln.today

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