A stored cross site scripting (XSS) vulnerability in the ‘Add Page’ feature of BlackCat CMS 1.3.6 allows authenticated attackers to execute arbitrary web scripts or HTML via a crafted payload entered into the ‘Title’ parameter.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25877
Reference (s):
- https://blackcat-cms.org/
- https://github.com/BlackCatDevelopment/BlackCatCMS/issues/401