CVE-2026-3673: Frappe

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

An authenticated attacker can store a crafted tag value in _user_tags and trigger JavaScript execution when a victim opens the list/report view where tags are rendered. The vulnerable renderer interpolates tag content into HTML attributes and element content without escaping. This issue affects Frappe: 16.10.10.

Affected products

  • Frappe Frappe: version 16.10.10 only

Published 2026-04-22. Last modified 2026-06-17.