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A Cross-Site Scripting (XSS) vulnerability exists in the rcID parameter in Concrete CMS 5.4.1.1 and earlier.

Concrete5 8.4.3 has XSS because config/concrete.php allows uploads (by administrators) of SVG files that may contain HTML data with a SCRIPT element.

A Server Side Request Forgery (SSRF) vulnerability in tools/files/importers/remote.php in concrete5 8.2.0 can lead to attacks on the local network and mapping of the internal network, because of URL functionality on the File Manager page.

An issue was discovered in tools/conversations/view_ajax.php in Concrete5 before 8.3.0. An unauthenticated user can enumerate comments from all blog posts by POSTing requests to /index.php/tools/required/conversations/view_ajax with incremental 'cnvI...

Multiple cross-site scripting (XSS) vulnerabilities in Concrete5 5.7.3.1.

SQL injection vulnerability in Concrete5 5.7.3.1.

concrete5 8.1.0 has CSRF in Thumbnail Editor in the File Manager, which allows remote attackers to disable the entire installation by merely tricking an admin into viewing a malicious page involving the /tools/required/files/importers/imageeditor?fID...

concrete5 8.1.0 places incorrect trust in the HTTP Host header during caching, if the administrator did not define a "canonical" URL on installation of concrete5 using the "Advanced Options" settings. Remote attackers can make a GET request with any ...

Multiple cross-site scripting (XSS) vulnerabilities in concrete5 5.7.2.1, 5.7.2, and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) gName parameter in single_pages/dashboard/users/groups/bulkupdate.php or (2) instan...

concrete5 before 5.6.3 allows remote attackers to obtain the installation path via a direct request to (1) system/basics/editor.php, (2) system/view.php, (3) system/environment/file_storage_locations.php, (4) system/mail/importers.php, (5) system/mai...