EUVD-2025-19295

Comprehensive Technical Analysis of EUVD-2025-19295

1. Vulnerability Assessment and Severity Evaluation

The vulnerability described in EUVD-2025-19295 pertains to a Deserialization of Untrusted Data issue in the BoldThemes Amwerk WordPress theme, which allows for Object Injection. This vulnerability is particularly severe due to its potential to enable remote code execution (RCE) and other critical impacts.

Severity Evaluation:

• Base Score: 9.8 (Critical)
• Base Score Version: CVSS:3.1
• Base Score Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

The CVSS vector indicates:

• Attack Vector (AV): Network (N)
• Attack Complexity (AC): Low (L)
• Privileges Required (PR): None (N)
• User Interaction (UI): None (N)
• Scope (S): Unchanged (U)
• Confidentiality (C): High (H)
• Integrity (I): High (H)
• Availability (A): High (H)

This high severity score underscores the critical nature of the vulnerability, which can be exploited remotely with low complexity and without requiring any user interaction or special privileges.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Remote Exploitation: An attacker can exploit this vulnerability over the network without needing physical access to the system.
• Untrusted Data Deserialization: The vulnerability arises from the deserialization of untrusted data, which can be manipulated to inject malicious objects.

Exploitation Methods:

• Object Injection: By crafting a specially designed serialized object, an attacker can inject malicious code or commands into the application.
• Remote Code Execution (RCE): If the injected object contains executable code, the attacker can achieve RCE, leading to full control over the affected system.

3. Affected Systems and Software Versions

Affected Software:

• Product: BoldThemes Amwerk WordPress Theme
• Versions: From n/a through 1.2.0

All installations of the Amwerk theme within the specified version range are vulnerable to this issue.

4. Recommended Mitigation Strategies

Immediate Actions:

• Update/Patch: Apply the latest patch or update provided by BoldThemes to mitigate the vulnerability.
• Disable Deserialization: If an update is not immediately available, consider disabling deserialization of untrusted data.
• Input Validation: Implement strict input validation and sanitization to prevent the injection of malicious objects.

Long-Term Strategies:

• Regular Audits: Conduct regular security audits and code reviews to identify and mitigate similar vulnerabilities.
• Security Training: Educate developers on secure coding practices, particularly around deserialization and object injection.
• Monitoring: Implement continuous monitoring and logging to detect and respond to any suspicious activities.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to the European cybersecurity landscape, particularly for organizations and individuals using the affected WordPress theme. Given the widespread use of WordPress and the potential for RCE, this vulnerability could lead to:

• Data Breaches: Unauthorized access to sensitive data.
• System Compromise: Full control over affected systems, leading to further attacks.
• Reputation Damage: Loss of trust and potential legal consequences for organizations affected by the vulnerability.

6. Technical Details for Security Professionals

Vulnerability Details:

• CVE ID: CVE-2025-52724
• Assigner: Patchstack
• References: Patchstack Vulnerability Database

Technical Insights:

• Deserialization Process: The vulnerability occurs during the deserialization process, where untrusted data is converted back into a PHP object.
• Object Injection: The injected object can manipulate the application's behavior, leading to RCE or other malicious activities.
• Mitigation Code: Example of a mitigation approach in PHP:

  if (is_string($data)) {
      $data = unserialize($data);
      if ($data === false && $data !== null) {
          // Handle deserialization failure
          throw new Exception('Deserialization failed');
      }
  }
  

Conclusion: The Deserialization of Untrusted Data vulnerability in BoldThemes Amwerk is a critical issue that requires immediate attention. Organizations should prioritize updating the affected theme and implementing robust security measures to mitigate the risk. Continuous monitoring and adherence to secure coding practices are essential to prevent similar vulnerabilities in the future.