CVE-2025-13434: hush — Exploit

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.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness Type (CWE)

CWE-644 CWE-644

Affected Products

Vendor	Product	Versions
jameschz	hush	All

References

Exploits

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

Other References

https://vuldb.com/?ctiid.332978 https://vuldb.com/?id.332978 https://vuldb.com/?submit.687568

Frequently Asked Questions

What is CVE-2025-13434? +

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. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-13434? +

CVE-2025-13434 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-13434? +

CVE-2025-13434 affects products from jameschz, specifically: hush. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-13434? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-13434