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CVE-2025-50849: Critical Insecure Direct Object Reference (IDOR) Vulnerability in CS Cart 4.18.3

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Overview

CVE-2025-50849 is a severe security vulnerability affecting CS Cart 4.18.3, a popular e-commerce software. This vulnerability is an instance of Insecure Direct Object Reference (IDOR), a widespread security flaw where an application exposes a reference to an internal implementation object. In this case, the user profile functionality in CS Cart allows an authenticated user to manipulate and control the sticker setting of other users’ accounts. This vulnerability, if exploited, can lead to a serious system compromise or data leakage, thereby posing a significant risk to any business utilizing CS Cart 4.18.3.

Vulnerability Summary

CVE ID: CVE-2025-50849
Severity: High (8.0)
Attack Vector: Network
Privileges Required: Low (Authenticated User)
User Interaction: Required
Impact: System Compromise or Data Leakage

Affected Products

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Product | Affected Versions

CS Cart | 4.18.3

How the Exploit Works

The vulnerability lies in the user profile functionality of CS Cart 4.18.3. It enables or disables stickers through a parameter (company_id) sent in the request. However, this operation is not adequately validated on the server side. Therefore, an authenticated user can manipulate the request to target other users’ accounts and toggle the sticker setting by modifying the company_id or other object identifiers.

Conceptual Example Code

Here’s a conceptual example of how the vulnerability might be exploited, using an HTTP request:

POST /user_profile/sticker_setting HTTP/1.1
Host: target.example.com
Content-Type: application/json
Authorization: Bearer [Authenticated User's Token]
{ "company_id": "[Victim's company_id]", "sticker_setting": "enabled" }

In this example, an attacker modifies the ‘company_id’ in the request body to the company_id of the victim. The server then processes the request, enabling or disabling the sticker settings for the victim’s account without proper validation.

Mitigation Guidance

To mitigate this vulnerability, users are urged to apply the vendor patch as soon as it becomes available. Until then, using Web Application Firewalls (WAFs) or Intrusion Detection Systems (IDS) can provide temporary mitigation by detecting abnormal request patterns and blocking potentially malicious requests.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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