EIP-2026-109338

PRE-CVE

MatrikzGB Guestbook 2.0 - Administrative Privilege Escalation

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-109338. PoCs published by Stephan Sattler.

AI-analyzed exploit summary This exploit demonstrates an authentication bypass vulnerability in MatrikzGB Guestbook by manipulating URI parameters to escalate a regular user's privileges to admin. The attacker provides their credentials and sets 'new_rights' to 'admin' to gain administrative access.

Description

MatrikzGB Guestbook 2.0 - Administrative Privilege Escalation

Exploits (1)

exploitdb WORKING POC VERIFIED
by Stephan Sattler · textwebappsphp
https://www.exploit-db.com/exploits/23036

This exploit demonstrates an authentication bypass vulnerability in MatrikzGB Guestbook by manipulating URI parameters to escalate a regular user's privileges to admin. The attacker provides their credentials and sets 'new_rights' to 'admin' to gain administrative access.

Classification
Working Poc 90%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: MatrikzGB Guestbook
Auth required
Prerequisites: Valid user credentials for the target guestbook
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026