Piranha has stored cross-site scripting (XSS) vulnerability
Date: 2025-12
Affected: nuget/Piranha
Attack vector: xss
Category: vulnerability-disclosure
Severity: Low
CVE: CVE-2025-67290
CVE-2025-67291
CWE: CWE-79

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.


Mitigations:

Architectural layers (MAESTRO):