CVE-2025-58850: Marcshowpass Showpass WordPress Extension

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in marcshowpass Showpass WordPress Extension showpass allows Stored XSS.This issue affects Showpass WordPress Extension: from n/a through <= 4.0.3.

Affected products

• Marcshowpass Showpass WordPress Extension: up to and including 4.0.3

Published 2025-09-05. Last modified 2026-06-17.