CVE-2018-19421: Malicious File Upload
First published: Wed Nov 21 2018(Updated: )
In GetSimpleCMS 3.3.15, admin/upload.php blocks .html uploads but Internet Explorer render HTML elements in a .eml file, because of admin/upload-uploadify.php, and validate_safe_file in admin/inc/security_functions.php.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Get-simple Getsimple Cms | =3.3.15 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2018-19421?
The severity of CVE-2018-19421 is medium.
What is the affected software for CVE-2018-19421?
The affected software for CVE-2018-19421 is GetSimpleCMS version 3.3.15.
How does CVE-2018-19421 impact GetSimpleCMS?
CVE-2018-19421 allows Internet Explorer to render HTML elements in a .eml file, bypassing the block on .html uploads in GetSimpleCMS 3.3.15.
Is there a fix for CVE-2018-19421?
Yes, a fix for CVE-2018-19421 is available. It is recommended to update GetSimpleCMS to a version that includes the fix.
Where can I find more information about CVE-2018-19421?
You can find more information about CVE-2018-19421 at the following link: https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1301
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- version/get-simple getsimple cms/3.3.15