Exploitation Summary
EIP tracks 1 public exploit for EIP-2026-110628. PoCs published by Matthew Murphy.
AI-analyzed exploit summary This exploit demonstrates a header injection vulnerability in PHP's header() function, allowing arbitrary script code injection via URL-encoded payloads. The PoC shows how an attacker can inject malicious JavaScript into HTTP headers by manipulating the URL parameter.
Description
PHP 4.2.3 - Header Function Script Injection
Exploits (1)
exploitdb
WORKING POC
VERIFIED
by Matthew Murphy · textwebappsphp
https://www.exploit-db.com/exploits/21776
This exploit demonstrates a header injection vulnerability in PHP's header() function, allowing arbitrary script code injection via URL-encoded payloads. The PoC shows how an attacker can inject malicious JavaScript into HTTP headers by manipulating the URL parameter.
Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target:
PHP (versions affected by header injection vulnerability)
No auth needed
Prerequisites:
A vulnerable PHP application that uses the header() function with user-supplied input
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026
Full analysis →
Details
Status
pre_cve
Tracked Since
Feb 18, 2026