CVE-2025-26923: Bastien Ho Event Post

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Bastien Ho Event post event-post allows Stored XSS.This issue affects Event post: from n/a through <= 5.9.8.

Affected products

• Bastien Ho Event Post: up to and including 5.9.8

Published 2025-03-26. Last modified 2026-06-17.