EUVD-2025-5624

Comprehensive Technical Analysis of EUVD-2025-5624

1. Vulnerability Assessment and Severity Evaluation

Vulnerability Description: The EUVD entry EUVD-2025-5624 describes an "Improper Control of Generation of Code ('Code Injection')" vulnerability in the NotFound Ark Theme Core (ark-core). This vulnerability allows for Code Injection, which can lead to unauthenticated Remote Code Execution (RCE).

Severity Evaluation: The vulnerability has a CVSS Base Score of 10.0, which is the highest possible score, indicating a critical severity. The CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H breaks down as follows:

• AV:N (Attack Vector: Network) - The vulnerability is exploitable over the network.
• AC:L (Attack Complexity: Low) - The attack requires low complexity.
• PR:N (Privileges Required: None) - No privileges are required to exploit the vulnerability.
• UI:N (User Interaction: None) - No user interaction is required.
• S:C (Scope: Changed) - The vulnerability affects a different security scope.
• C:H (Confidentiality: High) - There is a high impact on confidentiality.
• I:H (Integrity: High) - There is a high impact on integrity.
• A:H (Availability: High) - There is a high impact on availability.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Network-Based Attacks: Given the AV:N vector, attackers can exploit this vulnerability remotely over the network.
• Unauthenticated Access: The PR:N vector indicates that attackers do not need any special privileges or authentication to exploit the vulnerability.

Exploitation Methods:

• Code Injection: Attackers can inject malicious code into the Ark Theme Core, leading to RCE.
• Automated Scripts: Attackers can use automated scripts to scan for vulnerable installations and exploit them en masse.

3. Affected Systems and Software Versions

Affected Software:

• Ark Theme Core versions before 1.71.0.
• Specifically, versions ≤1.70.0 are vulnerable.

Affected Systems:

• Any system running the vulnerable versions of the Ark Theme Core plugin, particularly WordPress installations.

4. Recommended Mitigation Strategies

Immediate Actions:

• Update Software: Upgrade to Ark Theme Core version 1.71.0 or later, which includes the patch for this vulnerability.
• Disable Plugin: If an immediate update is not possible, consider disabling the Ark Theme Core plugin until a patch can be applied.

Long-Term Strategies:

• Regular Patching: Implement a regular patching and update schedule for all plugins and software.
• Monitoring and Logging: Enhance monitoring and logging to detect any suspicious activities or unauthorized code execution.
• Access Controls: Implement strict access controls and authentication mechanisms to limit exposure.

5. Impact on European Cybersecurity Landscape

Implications:

• Widespread Use: Given the popularity of WordPress and its plugins, this vulnerability could affect a large number of websites across Europe.
• Critical Infrastructure: If used in critical infrastructure or government websites, the vulnerability could have severe implications for national security and public services.
• Compliance: Organizations must ensure compliance with GDPR and other relevant regulations, which could be violated if sensitive data is compromised.

Regulatory and Policy Considerations:

• ENISA Guidelines: Follow ENISA guidelines for vulnerability management and incident response.
• Reporting: Ensure timely reporting of incidents to relevant authorities and stakeholders.

6. Technical Details for Security Professionals

Vulnerability Details:

• CVE ID: CVE-2025-26970
• GHSA ID: GHSA-3542-jvch-wmhr
• Assigner: Patchstack

References:

• NVD Detail
• Patchstack Detail

Technical Recommendations:

• Code Review: Conduct a thorough code review of the Ark Theme Core plugin to identify and mitigate similar vulnerabilities.
• Security Audits: Perform regular security audits and penetration testing to identify and address potential vulnerabilities.
• Incident Response: Develop and maintain an incident response plan to quickly address any security breaches.

By following these recommendations and maintaining vigilance, organizations can significantly reduce the risk posed by this critical vulnerability.