Security Advisory

CVE-2018-19420

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2018-11-21 21:00:00

Last updated 2024-09-16 17:28:02

Assigner mitre

State PUBLISHED

Description

In GetSimpleCMS 3.3.15, admin/upload.php blocks .html uploads but there are several alternative cases in which HTML can be executed, such as a file with no extension or an unrecognized extension (e.g., the test or test.asdf filename), because of admin/upload-uploadify.php, and validate_safe_file in admin/inc/security_functions.php.

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