EIP-2026-113505

PRE-CVE

WordPress Core 5.2.3 - Cross-Site Host Modification

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-113505. PoCs published by Todor Donev.

AI-analyzed exploit summary This Perl script demonstrates a Cross Site Host Modification vulnerability in WordPress <= 5.2.3 by sending a crafted HTTP request with a modified 'Host' header to redirect responses to an attacker-controlled domain. It leverages the lack of proper validation in WordPress's handling of the Host header.

Description

WordPress Core 5.2.3 - Cross-Site Host Modification

Exploits (1)

exploitdb WORKING POC
by Todor Donev · perlwebappsphp
https://www.exploit-db.com/exploits/47361

This Perl script demonstrates a Cross Site Host Modification vulnerability in WordPress <= 5.2.3 by sending a crafted HTTP request with a modified 'Host' header to redirect responses to an attacker-controlled domain. It leverages the lack of proper validation in WordPress's handling of the Host header.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: WordPress <= 5.2.3
No auth needed
Prerequisites: Target WordPress site running version <= 5.2.3 · Network access to the target
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026