CVE-2018-17996

MEDIUM

LayerBB < 1.1.3 - Cross-Site Request Forgery via Admin and Moderator Endpoints

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-17996. PoCs published by 0xB9.

AI-analyzed exploit summary This exploit demonstrates a CSRF vulnerability in LayerBB 1.1.2, allowing an attacker to create an admin user via a crafted HTML form. The PoC submits a POST request to the admin user creation endpoint with predefined credentials and admin privileges.

Description

LayerBB before 1.1.3 allows CSRF for adding a user via admin/new_user.php, deleting a user via admin/members.php/delete_user/, and deleting content via mod/delete.php/.

Exploits (1)

exploitdb WORKING POC
by 0xB9 · textwebappsphp
https://www.exploit-db.com/exploits/46379

This exploit demonstrates a CSRF vulnerability in LayerBB 1.1.2, allowing an attacker to create an admin user via a crafted HTML form. The PoC submits a POST request to the admin user creation endpoint with predefined credentials and admin privileges.

Classification
Working Poc 100%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: LayerBB 1.1.2
No auth needed
Prerequisites: Victim must visit a malicious webpage while authenticated as an admin or user with sufficient privileges
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/151694/LayerBB-1.1.2-Cross-Site-Request-Forgery.html
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/46379/
Exploit, Third Party Advisory x_refsource_misc
https://github.com/AndyRixon/LayerBB/issues/38
Patch, Third Party Advisory x_refsource_misc
https://github.com/AndyRixon/LayerBB/commits/master

Scores

CVSS v3 6.5
EPSS 0.0301
EPSS Percentile 85.7%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Details

CWE
CWE-352
Status published
Products (1)
layerbb/layerbb 1.1.2
Published Mar 21, 2019
Tracked Since Feb 18, 2026