title: [20210701] - Core - XSS in JForm Rules field
description: An issue was discovered in Joomla! 3.0.0 through 3.9.27. Inadequate escaping in the rules field of the JForm API leads to a XSS vulnerability.
problem types: CSRF
affected:
{
product: Joomla! CMS
vendor: Joomla! Project
versions:
status: affected, version: 3.0.0-3.9.27
}