File Upload Vulnerability in CMS Made Simple by CMS Made Simple, Inc.
CVE-2023-43872

5.4MEDIUM

Key Information:

Vendor

Cmsmadesimple

Status
Cms Made Simple
Vendor
CVE Published:
28 September 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-43872?

A file upload vulnerability in CMS Made Simple version 2.2.18 enables local attackers to upload a PDF file that may contain hidden Cross Site Scripting (XSS) payloads. This flaw could lead to unauthorized actions or data exposure as the uploaded file could be executed in the context of another user, thereby compromising the web application's security integrity. It is essential for users of the affected version to apply mitigations promptly.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-43872-CMSmadesimple-Arbitrary-File-Upload--XSS---File-Manager
Created by sromanhu

References

https://github.com/sromanhu/CMSmadesimple-File-Upload--XS...

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

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