CVE-2025-63828: Medium severity Backdrop CMS vulnerability

Published Nov 18, 2025
·
Updated

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 Software

3 affected components
Backdrop CMS
composer/backdrop/backdrop<=1.32.0
BackdropCMS Backdrop Cms=1.32.1

Event History

Nov 18, 2025
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeaknessAffected Software
Advisory Published
via GitHub·06:32 PM
Data Sourced
via GitHub·06:32 PM
DescriptionWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-63828?

CVE-2025-63828 is considered a high severity vulnerability due to its potential for session hijacking and redirecting users to malicious domains.

2

How do I fix CVE-2025-63828?

To fix CVE-2025-63828, upgrade Backdrop CMS to version 1.32.1 or later to mitigate the host header injection vulnerability.

3

What is the impact of exploiting CVE-2025-63828?

Exploitation of CVE-2025-63828 can lead to unauthorized access and session hijacking via cookie injection.

4

Which versions of Backdrop CMS are affected by CVE-2025-63828?

CVE-2025-63828 affects Backdrop CMS version 1.32.1 and earlier versions up to and including 1.32.0.

5

Can CVE-2025-63828 be exploited remotely?

Yes, CVE-2025-63828 can be exploited remotely by attackers who manipulate the Host header in password reset requests.

Contact

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