LayerBB 1.1.2 – Cross-Site Scripting

  • 作者: 0xB9
    日期: 2019-02-12
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/46354/
  • # 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