data/inc/files.php in Pluck 4.7.8 allows remote attackers to execute arbitrary code by uploading a .htaccess file that specifies SetHandler x-httpd-php for a .txt file, because only certain PHP-related filename extensions are blocked.

PluckCMS 4.7.4 and earlier is affected by: CWE-434 Unrestricted Upload of File with Dangerous Type. The impact is: get webshell. The component is: data/inc/images.php line36. The attack vector is: modify the MIME TYPE on HTTP request to upload a php file. The fixed version is: after commit 09f0ab871bf633973cfd9fc4fe59d4a912397cf8.

An issue was discovered in Pluck through 4.7.4. A stored cross-site scripting (XSS) vulnerability allows remote unauthenticated users to inject arbitrary web script or HTML into admin/blog Reaction Comments via a crafted URL.

Pluck 4.7.7 allows XSS via an SVG file that contains Javascript in a SCRIPT element, and is uploaded via pages->manage under admin.php?action=files.

Pluck v4.7.7 allows CSRF via admin.php?action=settings.

Pluck v4.7.7 allows XSS via the admin.php?action=editpage&page= page title.

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.

An issue was discovered in Pluck before 4.7.6. Remote PHP code execution is possible because the set of disallowed filetypes for uploads in missing some applicable ones such as .phtml and .htaccess.

An issue was discovered in Pluck before 4.7.6. There is authenticated stored XSS because the character set for filenames is not properly restricted.