CVE-2024-56026: Greg – Siteorigin Simple Proxy

High severity, CVSS 7.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Greg – SiteOrigin Simple Proxy simple-proxy allows Reflected XSS.This issue affects Simple Proxy: from n/a through <= 1.0.

Affected products

• Greg – Siteorigin Simple Proxy: up to and including 1.0

Published 2025-01-02. Last modified 2026-06-17.