CVE-2025-47593: Jonas Hjalmarsson Really Simple Under Construction Page

Medium severity, CVSS 5.9. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Jonas Hjalmarsson Really Simple Under Construction Page really-simple-under-construction allows Stored XSS.This issue affects Really Simple Under Construction Page: from n/a through <= 1.4.6.

Affected products

• Jonas Hjalmarsson Really Simple Under Construction Page: up to and including 1.4.6

Published 2025-05-07. Last modified 2026-06-17.