Web Application Vulnerability in GetSimpleCMS by GetSimpleCMS
CVE-2018-19420

3.8LOW

Key Information:

Vendor

Get-simple

Status
Getsimple Cms
Vendor
CVE Published:
21 November 2018

What is CVE-2018-19420?

GetSimpleCMS version 3.3.15 has a weakness in its file handling that allows for HTML code execution through certain unconventional file uploads. Specifically, while the upload functionality blocks files with a .html extension, it fails to account for files without an extension or those with unrecognized extensions such as '.test' or '.test.asdf'. This oversight in the file validation process enables an attacker to upload a malicious file that can be executed by the server, posing significant security risks.

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References

https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1301
x_refsource_MISC

CVSS V3.1

Score:
3.8
Severity:
LOW
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability Reserved

  • Vulnerability published

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