21/11/2018
3/10/2022
5/8/2024
CVE-2018-19420: Malicious File Upload
First published: Wed Nov 21 2018(Updated: )
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.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|
Get-simple Getsimple Cms | =3.3.15 | |
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Frequently Asked Questions
What is CVE-2018-19420?
CVE-2018-19420 is a vulnerability in GetSimpleCMS 3.3.15 that allows for the execution of HTML files in certain alternative cases.
How does the vulnerability in GetSimpleCMS 3.3.15 work?
The vulnerability allows HTML files to be executed when they don't have an extension or have an unrecognized extension.
What is the severity of CVE-2018-19420?
The severity of CVE-2018-19420 is medium with a severity value of 3.8.
Which version of GetSimpleCMS is affected by CVE-2018-19420?
GetSimpleCMS version 3.3.15 is affected by CVE-2018-19420.
How can I fix the vulnerability in GetSimpleCMS 3.3.15?
To fix the vulnerability, you should update GetSimpleCMS to a version that contains the patch for CVE-2018-19420.
- collector/nvd-index
- agent/author
- agent/severity
- agent/references
- agent/weakness
- agent/type
- agent/event
- agent/description
- agent/first-publish-date
- agent/last-modified-date
- agent/softwarecombine
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/get-simple
- canonical/get-simple getsimple cms
- version/get-simple getsimple cms/3.3.15
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