EUVD-2025-17499

Comprehensive Technical Analysis of EUVD-2025-17499

1. Vulnerability Assessment and Severity Evaluation

The vulnerability described in EUVD-2025-17499 pertains to a Deserialization of Untrusted Data issue in the themeton PIMP - Creative MultiPurpose theme. This vulnerability allows for Object Injection, which can lead to severe security implications. The CVSS (Common Vulnerability Scoring System) base score of 9.8 indicates a critical severity level. The CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H breaks down as follows:

• Attack Vector (AV): Network (N) - The vulnerability can be exploited remotely over the network.
• Attack Complexity (AC): Low (L) - The attack does not require special conditions and can be easily executed.
• Privileges Required (PR): None (N) - No privileges are required to exploit the vulnerability.
• User Interaction (UI): None (N) - No user interaction is required for the attack to succeed.
• Scope (S): Unchanged (U) - The vulnerability does not change the security scope.
• Confidentiality (C): High (H) - The vulnerability can lead to a significant breach of confidentiality.
• Integrity (I): High (H) - The vulnerability can lead to a significant breach of integrity.
• Availability (A): High (H) - The vulnerability can lead to a significant breach of availability.

2. Potential Attack Vectors and Exploitation Methods

The primary attack vector for this vulnerability is the deserialization of untrusted data, which can be exploited through:

• Remote Code Execution (RCE): An attacker can craft malicious serialized data that, when deserialized, can execute arbitrary code on the server.
• Data Manipulation: An attacker can manipulate the serialized data to alter the application's state or behavior, leading to unauthorized actions.
• Denial of Service (DoS): An attacker can send specially crafted data that causes the deserialization process to fail, leading to a denial of service.

3. Affected Systems and Software Versions

The vulnerability affects the PIMP - Creative MultiPurpose theme versions from n/a through 1.7. This theme is used in WordPress environments, making any website using this theme within the specified version range vulnerable.

4. Recommended Mitigation Strategies

To mitigate this vulnerability, the following steps should be taken:

• Update to a Patched Version: Ensure that the PIMP - Creative MultiPurpose theme is updated to a version that addresses this vulnerability.
• Input Validation: Implement strict input validation and sanitization to ensure that only trusted data is deserialized.
• Use Secure Deserialization Libraries: Utilize secure deserialization libraries that provide protection against object injection attacks.
• Monitor and Log: Implement monitoring and logging to detect and respond to any suspicious deserialization activities.
• Regular Security Audits: Conduct regular security audits and vulnerability assessments to identify and address similar issues proactively.

5. Impact on European Cybersecurity Landscape

The impact of this vulnerability on the European cybersecurity landscape is significant due to the widespread use of WordPress and its themes. Organizations and individuals using the affected theme are at risk of data breaches, unauthorized access, and service disruptions. This underscores the importance of timely patching and adherence to best security practices to protect against such vulnerabilities.

6. Technical Details for Security Professionals

For security professionals, the following technical details are pertinent:

• Vulnerability Identification: The vulnerability is identified by CVE-2025-31398 and EUVD-2025-17499.
• References:
  • Patchstack Vulnerability Database
  • NVD CVE-2025-31398
• Assigner: Patchstack
• ENISA ID Product: 8e30a9c7-5447-3e40-8ae8-9b4bd29f0cc3
• ENISA ID Vendor: 6be63e39-5ad6-30a7-a0e6-3eef7b18a800

Security professionals should prioritize the identification and remediation of this vulnerability in their environments. Regular updates and adherence to secure coding practices are essential to mitigate the risks associated with deserialization vulnerabilities.

Conclusion

The Deserialization of Untrusted Data vulnerability in the themeton PIMP - Creative MultiPurpose theme is a critical issue that requires immediate attention. By understanding the attack vectors, affected systems, and recommended mitigation strategies, organizations can effectively protect against potential exploits and maintain the integrity and security of their WordPress environments.