Cross-Site Scripting Flaw in October CMS Installation Affects Version 3.4.16
CVE-2023-43876

5.4MEDIUM

Key Information:

Vendor

Octobercms

Status
October
Vendor
CVE Published:
28 September 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-43876?

A Cross-Site Scripting (XSS) vulnerability exists in the installation process of October CMS version 3.4.16. This flaw allows attackers to inject malicious scripts into the dbhost field, enabling them to execute arbitrary web scripts on affected installations. Users could be exposed to various security risks, including data theft and unauthorized actions performed on their behalf. It is crucial for administrators to review their installations and apply necessary security measures to mitigate this vulnerability.

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-2023-43876-October-CMS-Reflected-XSS---Installation
Created by sromanhu

References

https://github.com/sromanhu/October-CMS-Reflected-XSS---I...

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

.