CVE-2025-26879: WordPress s2Member Plugin <= 241216 - Reflected Cross Site Scripting (XSS) vulnerability

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-03-03 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Cristián Lávaque s2Member s2member allows Reflected XSS.This issue affects s2Member: from n/a through <= 241216.

Affected products

Cristián Lávaque s2Member: through 241216

References

https://patchstack.com/database/Wordpress/Plugin/s2member/vulnerability/wordpress-s2member-plugin-241216-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Get alerted when CVE-2025-26879 or the next vulnerability affects your stack