CVE-2025-26578: Mathieuhays Simple Documentation

High severity, CVSS 7.1. EPSS: 0.1% chance of exploitation in the next 30 days.

Cross-Site Request Forgery (CSRF) vulnerability in mathieuhays Simple Documentation client-documentation allows Stored XSS.This issue affects Simple Documentation: from n/a through <= 1.2.8.

Affected products

• Mathieuhays Simple Documentation: up to and including 1.2.8

Published 2025-02-13. Last modified 2026-06-17.