CVE-2017-5541

Directory traversal vulnerability in template/usererror.missing_extension.php in Symphony CMS before 2.6.10 allows remote attackers to rename arbitrary files via a .. (dot dot) in the existing-folder and new-folder parameters.

CVE-2020-25343

Cross-site scripting (XSS) vulnerabilities in Symphony CMS 3.0.0 allow remote attackers to inject arbitrary web script or HTML to fields['body'] param via events\event.publish_article.php