EIP-2026-109751

PRE-CVE

MyBulletinBoard (MyBB) 1.1.3 - 'usercp.php' Create Admin

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-109751. PoCs published by Hessam-x.

AI-analyzed exploit summary This exploit targets MyBulletinBoard (MyBB) <= 1.1.3 by leveraging an authentication bypass to elevate a user to admin privileges via a crafted request. It logs in with provided credentials and manipulates the 'additionalgroups' parameter to grant admin access.

Description

MyBulletinBoard (MyBB) 1.1.3 - 'usercp.php' Create Admin

Exploits (1)

exploitdb WORKING POC VERIFIED
by Hessam-x · perlwebappsphp
https://www.exploit-db.com/exploits/1950

This exploit targets MyBulletinBoard (MyBB) <= 1.1.3 by leveraging an authentication bypass to elevate a user to admin privileges via a crafted request. It logs in with provided credentials and manipulates the 'additionalgroups' parameter to grant admin access.

Classification
Working Poc 90%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: MyBulletinBoard (MyBB) <= 1.1.3
Auth required
Prerequisites: Valid user credentials · Access to the target MyBB instance
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026