CVE-2025-63828: Backdropcms Backdrop CMS

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

Host Header Injection vulnerability in Backdrop CMS 1.32.1 allows attackers to manipulate the Host header in password reset requests, leading to redirects to malicious domains and potential session hijacking via cookie injection.

Affected products

• Backdropcms Backdrop CMS: version 1.32.1 only

Published 2025-11-18. Last modified 2026-06-17.