s2Member <= 240315 - Limited Privilege Escalation

9.1
Incorrect Privilege Assignment
CVE CVE-2024-31237
CVSS 9.1 (Critical)
Publicly Published April 5, 2024
Last Updated April 15, 2024
Researcher Ngô Thiên An (ancorn_)

Description

The s2Member plugin for WordPress is vulnerable to limited privilege escalation in versions up to, and including, 240315. This is due to insufficient controls during user registration. This makes it possible for unauthenticated attackers to register with higher than the default permissions.

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Vulnerability Details for s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions

Software Type Plugin
Software Slug s2member (view on wordpress.org)
Patched? Yes
Remediation Update to version 240325, or a newer patched version
Affected Version
  • <= 240315
Patched Version
  • 240325

Recent vulnerabilities in s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions

# Title CVE ID CVSS Researchers Date
1 s2Member <= 260127 - Unauthenticated Privilege Escalation via Account Takeover CVE-2026-1994 9.8 Alyudin Nafiie February 18, 2026
2 s2Member <= 251005 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode CVE-2025-13732 6.4 Muhammad Yudha - DJ February 18, 2026
3 s2Member <= 250905 - Unauthenticated Remote Code Execution CVE-2025-62023 9.8 Drew Webber (mcdruid) October 1, 2025
4 s2Member <= 250701 - Unauthenticated PHP Object Injection CVE-2025-58998 8.1 ChuongVN August 21, 2025
5 s2Member <= 250419 - Authenticated (Administrator+) Local File Inclusion CVE-2025-32137 7.2 Hakiduck April 4, 2025
6 s2Member Pro <= 241216 - Reflected Cross-Site Scripting CVE-2025-26879 6.1 0xd4rk5id3 February 22, 2025
7 s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions <= 241216 - Reflected Cross-Site Scripting CVE-2024-11376 6.1 vgo0 February 17, 2025
8 s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions <= 241114 - Authenticated (Contributor+) Sensitive Information Exposure CVE-2024-8326 8.8 wesley (wcraft) December 16, 2024
9 s2Member (Pro) <= 241114 - Unauthenticated Remote Code Execution CVE-2024-51815 8.1 Hakiduck December 2, 2024
10 s2Member – Best Membership Plugin for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions <= 230815 - Information Exposure CVE-2024-0899 5.3 Francesco Carlucci March 18, 2024

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