CVE-2025-67290: Dotnetfoundation Piranha CMS

Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days.

A stored cross-site scripting (XSS) vulnerability in the Page Settings module of Piranha CMS v12.1 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Excerpt field.

Affected products

• Dotnetfoundation Piranha CMS: version 12.1 only

Published 2025-12-22. Last modified 2026-07-05.