Cross-site Scripting (XSS) - Reflected in kunstmaan/kunstmaanbundlescmsValid
Nov 20th 2021
In kunstmaan / kunstmaanbundlescms ,extra metadata in seo form is vulnerable to reflected cross site scripting.
Proof of Concept
login to the demo account
go to pages -->select any page to edit --> go to SEO --->
Add payload to extra meta data and click save and see the preview an xss alert is triggered.
payload = "><iMg SrC="x" oNeRRor="alert(1);">
This vulnerability is capable of stolen the user cookies.