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TI-2025-36642 Aliases CVE-2025-58998GHSA-8rx4-fj24-3rqc

WordPress s2Member Plugin <= 250701 - PHP Object Injection Vulnerability

Priority MEDIUM 49CWE-502Published · Updated

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

Deserialization of Untrusted Data vulnerability in Cristián Lávaque s2Member s2member allows Object Injection.This issue affects s2Member: from n/a through <= 250701.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00503 43rd 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
Yes
Technical impact
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
Cristián Lávaques2Memberup to 250701—No fix listedCNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-58998
  2. 2026-10-03 Alias added: GHSA-8rx4-fj24-3rqc

References

  • TI-2025-38346 WordPress s2Member plugin <= 250905 - Remote Code Execution (RCE) vulnerability CVSS 3.1CRITICAL 9.0
  • TI-2024-34719 WordPress s2Member plugin <= 241114 - Remote Code Execution (RCE) vulnerability CVSS 3.1CRITICAL 9.0
  • TI-2025-19750 WordPress s2Member Plugin <= 241216 - Reflected Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
  • TI-2025-23235 WordPress s2Member plugin <= 250419 - Local File Inclusion vulnerability CVSS 3.1MEDIUM 4.9

Sources