Privilege Escalation in s2Member Plugin for WordPress by Anyone
CVE-2026-1994

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
S2member – Excellent For All Kinds Of Memberships, Content Restriction Paywalls & Member Access Subscriptions
Vendor
CVE Published:
19 February 2026

What is CVE-2026-1994?

The s2Member plugin for WordPress suffers from a serious vulnerability that permits unauthorized individuals to escalate privileges by exploiting flaws in the password update mechanism. Attackers can gain access to user accounts, including those of administrators, simply by not undergoing proper identity verification before password modifications. This loophole makes it exceedingly easy for malicious actors to undertake account takeover efforts, reinforcing the need for stringent security measures in plugin development.

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Affected Version(s)

s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions * <= 260127

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/s2member/tags/...
https://plugins.trac.wordpress.org/changeset/3461625/s2me...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Alyudin Nafiie
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