CVE-2025-13434

jameschz Hush Framework HTTP Host Header Util.php http headers for scripting syntax

HIGH
7.5
CVSS Score
Published: November 20, 2025 at 01:02 AM UTC
Updated: October 18, 2026 at 08:10 PM UTC
2 products affected across 1 vendorHushHush Framework

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Severity
HIGH7.5
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

A weakness has been identified in jameschz Hush Framework 2.0. The impacted element is an unknown function of the file Hush\hush-lib\hush\Util.php of the component HTTP Host Header Handler. This manipulation of the argument $_SERVER['HOST'] causes improper neutralization of http headers for scripting syntax. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be exploited. The vendor was contacted early about this disclosure but did not respond in any way.

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 (4)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.332978
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.332978
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.687568
ExploitThird Party Advisory
Source: cverecord
https://github.com/lakshayyverma/CVE-Discovery/blob/main/hush.md

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

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

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-644

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