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CVE-2025-63828

MEDIUM
6.1
CVSS Score
Published: November 18, 2025 at 12:00 AM UTC
Updated: June 17, 2026 at 09:53 AM UTC
2 products affected across 2 vendorsBackdropcmsBackdrop CMS

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.2%
SSVC
PoC

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Release Notes
Source: cverecord
https://github.com/mertdurum06/BackdropCms-1.32.1/
Exploit
Source: cverecord
https://github.com/mertdurum06/BackdropCms-1.32.1/blob/main/backdropcms_exploit.txt

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-601

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