Arbitrary PHP Code Execution in Monstra CMS 3.0.4 via Mixed-Case File Extension

CVE-2018-17418 · MEDIUM Severity

AV:N/AC:L/AU:S/C:P/I:P/A:P

Monstra CMS 3.0.4 allows remote attackers to execute arbitrary PHP code via a mixed-case file extension, as demonstrated by the 123.PhP filename, because plugins\box\filesmanager\filesmanager.admin.php mishandles the forbidden_types variable.

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