Jump to content

Hacker Technology

A group blog by Leader in Hacker Website - Providing Professional Ethical Hacking Services

  • Entries

    16114

  • Comments

    7952

  • Views

    86385363

Contributors to this blog

  • HireHackking 16114

About this blog

Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

HireHackking 
# Exploit Title: LayerBB 1.1.2 - Cross-Site Scripting
# Date: 11/19/2018
# Author: 0xB9
# Twitter: @0xB9Sec
# Contact: 0xB9[at]pm.me
# Software Link: https://forum.layerbb.com/downloads.php?view=file&id=28
# Version: 1.1.2
# Tested on: Ubuntu 18.04
# CVE: CVE-2019-7688


1. Description:
LayerBB is a free open-source forum software. The 2 XSS's found allows users to input a payload to Custom Profile Fields and the polls question & answers input via a new thread.


2. Proof of Concept:

PoC - Polls QnA
- Start a new thread
- Use a payload in the polls QnA input boxes  <script>alert('XSS')</script>
- Anyone who views the thread will execute payload

PoC - Custom Profile Fields
- Create a Custom Profile Field in ACP
- Then use an account from any usergroup & edit profile
- Input a payload in the bottom "Additional Profile Fields" textbox  <script>alert('XSS')</script>
- Anyone who views your profile will execute payload



3. Solution:
Update to 1.1.3