CVE-2025-52122

Comprehensive Technical Analysis of CVE-2025-52122

1. Vulnerability Assessment and Severity Evaluation

CVE ID: CVE-2025-52122 CISA Vulnerability Name: CVE-2025-52122 CVSS Score: 9.8

The vulnerability in question is a Server-Side Template Injection (SSTI) in the Freeform plugin for CraftCMS, versions 5.0.0 to 5.10.15. This vulnerability allows arbitrary code injection for users with access to editing a form submission title. The CVSS score of 9.8 indicates a critical severity level, highlighting the potential for significant impact if exploited.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Authenticated Users: Users with permissions to edit form submission titles can inject malicious code.
• Phishing and Social Engineering: Attackers may trick authorized users into injecting malicious code through social engineering tactics.

Exploitation Methods:

• Code Injection: By embedding malicious code within the form submission title, attackers can execute arbitrary commands on the server.
• Data Exfiltration: Attackers can use the injected code to exfiltrate sensitive data from the server.
• Remote Code Execution (RCE): The injected code can be used to execute remote commands, potentially leading to full server compromise.

3. Affected Systems and Software Versions

Affected Software:

• Freeform plugin for CraftCMS

Affected Versions:

• 5.0.0 to 5.10.15

Unaffected Versions:

• 5.10.16 and later

4. Recommended Mitigation Strategies

Immediate Actions:

• Upgrade: Immediately upgrade to Freeform plugin version 5.10.16 or later.
• Access Control: Restrict access to form submission editing to trusted users only.
• Monitoring: Implement monitoring for unusual activities related to form submissions.

Long-Term Strategies:

• Regular Audits: Conduct regular security audits of all plugins and third-party integrations.
• User Training: Educate users on the risks of SSTI and best practices for secure form management.
• Patch Management: Ensure a robust patch management process to apply updates promptly.

5. Impact on Cybersecurity Landscape

The discovery of CVE-2025-52122 underscores the importance of securing third-party plugins and extensions, which are often overlooked in security assessments. This vulnerability highlights the need for:

• Enhanced Vendor Security: Greater scrutiny and security practices from plugin developers.
• Proactive Patching: Organizations must prioritize timely patching and updates.
• User Awareness: Increased awareness among users about the risks associated with input fields and form management.

6. Technical Details for Security Professionals

Vulnerability Details:

• Type: Server-Side Template Injection (SSTI)
• Location: Form submission title field in the Freeform plugin.
• Exploitation: Injection of malicious code within the title field, leading to arbitrary code execution.

Detection and Response:

• Log Analysis: Review server logs for unusual activities related to form submissions.
• Intrusion Detection Systems (IDS): Implement IDS to detect and alert on suspicious activities.
• Incident Response Plan: Develop and maintain an incident response plan tailored to SSTI vulnerabilities.

Code Review:

• Input Validation: Ensure robust input validation and sanitization for all user inputs.
• Template Security: Use secure templating engines that prevent SSTI by design.

Conclusion: CVE-2025-52122 represents a critical vulnerability that requires immediate attention. Organizations using the affected versions of the Freeform plugin should prioritize upgrading to the patched version and implement additional security measures to mitigate the risk of exploitation. Regular security audits and user training are essential to prevent similar vulnerabilities in the future.

References:

• CVE-2025-52122 Details
• CVE-CraftCMS-Freeform