Joomla! 5.x < 5.3.4 Multiple Vulnerabilities

According to its self-reported version, the instance of Joomla! running on the remote web server is 4.x prior to 4.4.14 or 5.x prior to 5.3.4. It is, therefore, affected by multiple vulnerabilities. - Inadequate content filtering within the checkAttribute methods leads to XSS vulnerabilities in...