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CVE-2025-5260: Pik Online Server-Side Request Forgery (SSRF) Vulnerability

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Overview

The cybersecurity community has recently identified a Server-Side Request Forgery (SSRF) vulnerability in Pik Online Yazılım Çözümleri A.Ş’s software. This vulnerability, assigned the Common Vulnerabilities and Exposures (CVE) identifier CVE-2025-5260, is a potential threat to all organizations employing versions of Pik Online prior to 3.1.5. Understanding this vulnerability, its potential impact, and the necessary steps to mitigate its threat is critical for maintaining the security of any system using Pik Online.

Vulnerability Summary

CVE ID: CVE-2025-5260
Severity: High (8.6 CVSS Score)
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Impact: System compromise, data leakage

Affected Products

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Product | Affected Versions

Pik Online Yazılım Çözümleri A.Ş’s Pik Online | Before 3.1.5

How the Exploit Works

The SSRF vulnerability in Pik Online allows an attacker to induce the server to make HTTP requests to an arbitrary destination, including potentially to other internal resources within the network. This could be leveraged to perform actions not intended by the server or to gain unauthorized access to data.

Conceptual Example Code

A conceptual example of how this vulnerability might be exploited is as follows:

POST /vulnerable/endpoint HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "url": "http://internal-resource" }

In this example, the attacker places the URL of an internal resource in the “url” field of the JSON payload. When the server receives this request, it may inadvertently retrieve information from the internal resource and return it in the response to the attacker, leading to potential data leakage.

Mitigation Guidance

The recommended mitigation action for CVE-2025-5260 is to apply the vendor patch for Pik Online. Organizations should upgrade their Pik Online to version 3.1.5 or later to avoid being vulnerable to this attack. As a temporary mitigation, organizations could use a Web Application Firewall (WAF) or Intrusion Detection System (IDS) to monitor and potentially block malicious requests. However, it is crucial to note that these are temporary measures and do not resolve the root vulnerability. Therefore, applying the vendor patch remains the most effective long-term solution.

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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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