CVE-2025-63828

low-risk
Published 2025-11-18

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.

Do I need to act?

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0.05% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.1/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Backdropcms

References (3)

Release Notes https://github.com/mertdurum06/BackdropCms-1.32.1/
Exploit https://github.com/mertdurum06/BackdropCms-1.32.1/blob/main/backdropcms_exploit....
Exploit https://github.com/mertdurum06/BackdropCms-1.32.1/blob/main/backdropcms_exploit....
28
/ 100
low-risk
Severity 23/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal