CVE-2025-63828

Published Nov 18, 2025 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-ffpg-gm3h-4p5p Backdrop CMS Host Header Injection vulnerability
History
Type Values Removed Values Added
CPEs cpe:2.3:a:backdropcms:backdrop_cms:1.32.1:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Backdropcms
Backdropcms backdrop Cms
Vendors & Products Backdropcms
Backdropcms backdrop Cms
Type Values Removed Values Added
Weaknesses CWE-601
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Nov 19, 2025, 4:50 PM
Reserved
Oct 27, 2025, 12:00 AM
Status
Analyzed
Published
Nov 18, 2025, 6:16 PM
Modified
Nov 5, 2026, 2:10 PM