s2Member Pro <= 241216 - Unauthenticated PHP Object Injection

9.8
Deserialization of Untrusted Data
CVE CVE-2024-12562
CVSS 9.8 (Critical)
Publicly Published February 14, 2025
Last Updated February 15, 2025
Researcher István Márton - Wordfence

Description

The s2Member Pro plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 241216 via deserialization of untrusted input from the 's2member_pro_remote_op' vulnerable parameter. This makes it possible for unauthenticated attackers to inject a PHP Object. No known POP chain is present in the vulnerable software. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

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Vulnerability Details for s2Member Pro

Software Type Plugin
Software Slug s2member-pro
Patched? Yes
Remediation Update to version 250214, or a newer patched version
Affected Version
  • <= 241216
Patched Version
  • 250214

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