EIP-2026-106128

PRE-CVE

Concrete5 CMS < 5.4.2.1 - Multiple Vulnerabilities

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-106128. PoCs published by Ryan Dewhurst.

AI-analyzed exploit summary This is a technical writeup detailing multiple vulnerabilities in Concrete5 CMS version 5.4.2.1, including SQL injection, XSS, and information disclosure. It provides specific PoC examples, vulnerable code snippets, and a timeline of vendor communication.

Description

Concrete5 CMS < 5.4.2.1 - Multiple Vulnerabilities

Exploits (1)

exploitdb WRITEUP VERIFIED
by Ryan Dewhurst · textwebappsphp
https://www.exploit-db.com/exploits/17925

This is a technical writeup detailing multiple vulnerabilities in Concrete5 CMS version 5.4.2.1, including SQL injection, XSS, and information disclosure. It provides specific PoC examples, vulnerable code snippets, and a timeline of vendor communication.

Classification
Writeup 95%
Attack Type
Sqli | Xss | Info Leak
Complexity
Moderate
Reliability
Reliable
Target: Concrete5 CMS <= 5.4.2.1
Auth required
Prerequisites: Authenticated user access for SQLi · Network access to the target
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026