CVE-2026-28126: Sizam Rh Frontend Publishing Pro

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in sizam RH Frontend Publishing Pro rh-frontend allows Reflected XSS.This issue affects RH Frontend Publishing Pro: from n/a through < 4.3.4.

Affected products

• Sizam Rh Frontend Publishing Pro: up to and including 4.3.4

Published 2026-03-05. Last modified 2026-06-17.