CVE-2025-13434

low-risk

Published 2025-11-20

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.

Do I need to act?

0.10% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.3/10 Medium

NETWORK / LOW complexity

Affected Products (1)

Hush

Affected Vendors

Jameschz

References (5)

Exploit https://github.com/lakshayyverma/CVE-Discovery/blob/main/hush.md

Permissions Required https://vuldb.com/?ctiid.332978

Third Party Advisory https://vuldb.com/?id.332978

Third Party Advisory https://vuldb.com/?submit.687568

Exploit https://github.com/lakshayyverma/CVE-Discovery/blob/main/hush.md

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low-risk

Severity 21/34 · High

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal