CVE-2025-63828
CWE-601Published: November 18, 2025· Updated: Jun 17, 2026
Official Description
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.
Technical Analysis
CVE-2025-63828 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
All References (3)
Quick Facts
Related CVEs (CWE-601)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2025-63828 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts