EIP-2026-106014

PRE-CVE

CMSimple 3.3 - 'index.php' Cross-Site Scripting

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-106014. PoCs published by Stefan Schurtz.

AI-analyzed exploit summary This exploit demonstrates a reflected XSS vulnerability in CMSimple 3.3 by injecting a malicious script via the URL. The PoC uses a simple alert to display the user's cookies, proving arbitrary JavaScript execution in the context of the affected site.

Description

CMSimple 3.3 - 'index.php' Cross-Site Scripting

Exploits (1)

exploitdb WORKING POC VERIFIED
by Stefan Schurtz · textwebappsphp
https://www.exploit-db.com/exploits/36997

This exploit demonstrates a reflected XSS vulnerability in CMSimple 3.3 by injecting a malicious script via the URL. The PoC uses a simple alert to display the user's cookies, proving arbitrary JavaScript execution in the context of the affected site.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: CMSimple 3.3
No auth needed
Prerequisites: Access to a vulnerable CMSimple instance · User interaction to click the malicious URL
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026