CVE-2025-23509: Siteheart Hypercomments

High severity, CVSS 7.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in siteheart HyperComments comments-with-hypercommentscom allows Reflected XSS.This issue affects HyperComments: from n/a through <= 0.9.6.

Affected products

• Siteheart Hypercomments: up to and including 0.9.6

Published 2025-01-22. Last modified 2026-06-17.