CVE Catalog

CVE-2025-13434

MediumCVSS 5.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.46%

39th percentile - higher than 39% of all known CVEs

Summary

Hush Framework 2.0 contains a vulnerability in Util.php where improper neutralization of HTTP headers occurs when handling $_SERVER['HOST']. The attack can be carried out remotely and a public exploit is available.

Risk Assessment

Remote header injection may lead to header poisoning, security bypass, or other context-dependent attacks. The vendor's lack of response means no official patch is available.

Recommendation

Implement custom validation and sanitization of the Host header value or consider replacing the vulnerable component. Monitor HTTP traffic for header injection attempts.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS