Vulnerability · Published Nov 20, 2025 · Assigned by VulDB
CVE-2025-13434jameschz Hush Framework HTTP Host Header Util.php http headers for scripting syntax
Medium 5.3
In plain English
A medium-severity security flaw in Hush Framework from jameschz. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Official 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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| jameschz | Hush Framework | 2.0 |
Weakness: CWE-644 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
References
- VDB-332978 | jameschz Hush Framework HTTP Host Header Util.php http headers for scripting syntax vdb-entry, technical-description
- VDB-332978 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #687568 | jameschz Hush 2.0 Improper Neutralization of HTTP Headers for Scripting Syntax third-party-advisory
- https://github.com/lakshayyverma/CVE-Discovery/blob/main/hush.md exploit