Cross-Site Scripting Vulnerability in CMS Made Simple by CMS Made Simple, Inc.
CVE-2023-43339

6.1MEDIUM

Key Information:

Vendor

Cmsmadesimple

Status
Cms Made Simple
Vendor
CVE Published:
25 September 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-43339?

A Cross-Site Scripting (XSS) vulnerability exists in CMS Made Simple version 2.2.18, which allows a local attacker to execute malicious scripts due to improper validation of user-supplied input in components such as Database Name, Database User, or Database Port. This critical flaw can lead to the execution of arbitrary code, posing significant security risks to affected systems. Users are advised to apply necessary security patches and updates to mitigate potential threats.

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-2023-43339-CMSmadesimple-Reflected-XSS---Installation
Created by sromanhu

References

http://www.cmsmadesimple.org/
https://github.com/sromanhu/Cmsmadesimple-CMS-Stored-XSS/...
https://github.com/sromanhu/CVE-2023-43339-CMSmadesimple-...

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

.