TI-2024-11656 Aliases CVE-2024-12562 GHSA-wjr9-hj62-43j7

s2Member Pro <= 241216 - Unauthenticated PHP Object Injection

MEDIUM 45CWE-502Published 2025-02-15 · Updated 2026-04-08

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00949 61st percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
WP Sharks	s2Member Pro	up to 241216	—	No fix listed	CNA

s2Member Pro VendorWP Sharks Affected up to 241216 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:s2member:s2member:::::pro:wordpress::	before 250214	Vulnerable	S2member

cpe:2.3:a:s2member:s2member:*:*:*:*:pro:wordpress:*:* Versions before 250214 Vulnerable ·S2member

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2024-12562
2026-10-03 Alias added: GHSA-wjr9-hj62-43j7

References

Advisory 1

https://www.wordfence.com/threat-intel/vulnerabilities/id/65192fdb-86db-475a-8c61-4db922920cfe?source=cve

Other 1

https://s2member.com/changelog/

TI-2024-20613 WordPress s2Member plugin <= 240315 - Privilege Escalation vulnerability CVSS 3.1HIGH 7.5
TI-2024-11657 s2Member Pro <= 250214 - Authenticated (Contributor+) Local File Inclusion to Remote Code Execution via Shortcode CVSS 3.1HIGH 8.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences