CVE-2025-66103: Revmakx Wpcal.io

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in revmakx WPCal.io wpcal allows DOM-Based XSS.This issue affects WPCal.io: from n/a through <= 0.9.5.9.

Affected products

• Revmakx Wpcal.io: up to and including 0.9.5.9

Published 2025-12-30. Last modified 2026-06-17.