An issue was discovered in Pluck before 4.7.7-dev2. /data/inc/images.php allows remote attackers to upload and execute arbitrary PHP code by using the image/jpeg content type for a .htaccess file.

Pluck CMS 4.7.2 allows remote attackers to obtain sensitive information by (1) changing "PHPSESSID" to an array; (2) adding non-alphanumeric chars to "PHPSESSID"; (3) changing the image parameter to an array; or (4) changing the image parameter to a string, which reveals the installation path in an error message.

Pluck CMS 4.7.2 allows remote attackers to execute arbitrary code via the blog form feature.

Cross-site scripting (XSS) vulnerability in TinyMCE in Pluck CMS 4.7.2 allows remote authenticated users to inject arbitrary web script or HTML via the "edit HTML source" option.

Multiple cross-site request forgery (CSRF) vulnerabilities in admin.php in pluck 4.7 allow remote attackers to hijack the authentication of admins for requests that (1) modify the admin email address or (2) modify the blog title via a settings action; (3) add a page via an editpage action, or (4) add a categorie via the blog module.