CVE-2025-58998

CRITICAL

s2Member <= 250701 - PHP Object Injection via Untrusted Data Deserialization

Title source: llm

Description

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

References (1)

Core 1

Core References

Third Party Advisory vdb-entry

https://patchstack.com/database/Wordpress/Plugin/s2member/vulnerability/wordpress-s2member-plugin-250701-php-object-injection-vulnerability?_s_id=cve

Scores

CVSS v3 9.8

EPSS 0.0040

EPSS Percentile 31.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

CWE

CWE-502

Status published

Products (2)

Cristián Lávaque/s2Member < 250701

Cristián Lávaque/s2Member < <= 250701

Published Nov 06, 2025

Tracked Since Feb 18, 2026