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OpenAdvisories
Medium · 6.1 CVE-2025-63828 EUVD-2025-198053GHSA-ffpg-gm3h-4p5p

Backdrop CMS Host Header Injection vulnerability

Published Nov 18, 2025 · Updated Nov 19, 2025 · Assigned by mitre

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.

Affected packages

EcosystemPackageAffectedFixedRecord
Packagist backdrop/backdrop <= 1.32.0 — GHSA-ffpg-gm3h-4p5p

References