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Get-simple Getsimple CmsMalicious File Upload

Risk 21
Severity
4
Malicious File Upload
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

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 validatesafefile in admin/inc/securityfunctions.php.

First published (updated )
CVE-2018-19420

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SecAlerts Pty Ltd.
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