GHSA-ffpg-gm3h-4p5p

ghsaUSosv

Backdrop CMS Host Header Injection vulnerability

view advisory published 2025-11-18Licence: CC-BY-4.0

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.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2025-63828US	—	0.23% (14th)	—	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…

references

External citations — patches, advisories, analysis.

https://github.com/backdrop/backdropPACKAGE
https://github.com/mertdurum06/BackdropCms-1.32.1WEB
https://github.com/mertdurum06/BackdropCms-1.32.1/blob/main/backdropcms_exploit.txtWEB
https://nvd.nist.gov/vuln/detail/CVE-2025-63828ADVISORY

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