---
id: CVE-2025-58998
title: >-
  Deserialization of Untrusted Data vulnerability in Cristián Lávaque s2Member
  s2member allows Object Injection.This issue affects s2Member: from n/a through
  <= 250701.
summary: >-
  Deserialization of Untrusted Data vulnerability in Cristián Lávaque s2Member
  s2member allows Object Injection.This issue affects s2Member: from n/a through
  <= 250701.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-502
published: '2025-11-06'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T21:10:00.200'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-58998'
references:
  - url: >-
      https://patchstack.com/database/Wordpress/Plugin/s2member/vulnerability/wordpress-s2member-plugin-250701-php-object-injection-vulnerability?_s_id=cve
    label: audit@patchstack.com
tags:
  - nvd
epss: 0.00503
epssPercentile: 0.41078
ingestedAt: '2026-10-07T21:54:14.944Z'
---

## Overview

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

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.