XSS Vulnerability present when using Web Content Article's source code

Issue

• We've observed a XSS Vulnerability present when using Web Content Article's source code. 
• This vulnerability appears to be present when involving the deployment of a payload via the source code. 
• Steps to reproduce:
  1. Create a Web Content Article
  2. Edit the <> Source Code and add the payload:

     synack<img src=x onerror=alert(location)>

  3. Publish
  4. Attempt to edit/preview the article and observe that a pop-up window appears containing what appears to be a patch to the article. 

Environment

• DXP 7.3

Resolution

• This behavior has been addressed in LPE-17988. Please request a hotfix including this LPE to resolve the behavior.