CVE-2020-13384: Unrestricted Upload of File with Dangerous Type

Monstra CMS 3.0.4 allows remote authenticated users to upload and execute arbitrary PHP code via admin/index.php?id=filesmanager because, for example, .php filenames are blocked but .php7 filenames are not, a related issue to CVE-2017-18048...

CVE-2018-19599: Improper Neutralization of Input During Web Page Generation

Monstra CMS 1.6 allows XSS via an uploaded SVG document to the admin/index.php?id=filesmanager&path=uploads/ URI. NOTE: this is a discontinued product...

CVE-2018-18694: Improper Neutralization of Input During Web Page Generation

admin/index.php?id=filesmanager in Monstra CMS 3.0.4 allows remote authenticated administrators to trigger stored XSS via JavaScript content in a file whose name lacks an extension. Such a file is interpreted as text/html in certain cases...