Description
The Homey Login Register plugin for WordPress is vulnerable to privilege escalation in all versions up to, and including, 2.4.0. This is due to the plugin allowing users who are registering new accounts to set their own role. This makes it possible for unauthenticated attackers to gain elevated privileges by creating an account with the administrator role.
EPSS Score:
0%
Comprehensive Technical Analysis of EUVD-2024-54001
1. Vulnerability Assessment and Severity Evaluation
The vulnerability in the Homey Login Register plugin for WordPress allows unauthenticated users to set their own role during the registration process, leading to privilege escalation. This flaw is present in all versions up to and including 2.4.0. The severity of this vulnerability is rated with a CVSS Base Score of 9.8, which is considered critical.
CVSS Vector Breakdown:
- AV:N (Network Vector): The vulnerability is exploitable over the network.
- AC:L (Low Complexity): The attack requires low skill or resources.
- PR:N (No Privileges Required): No prior authentication is needed.
- UI:N (No User Interaction): No user interaction is required.
- S:U (Unchanged): The scope is unchanged.
- C:H (High Confidentiality Impact): Complete loss of confidentiality.
- I:H (High Integrity Impact): Complete loss of integrity.
- A:H (High Availability Impact): Complete loss of availability.
2. Potential Attack Vectors and Exploitation Methods
Attack Vectors:
- Unauthenticated Privilege Escalation: An attacker can exploit this vulnerability by registering a new account and setting the role to administrator. This allows the attacker to gain full control over the WordPress site.
Exploitation Methods:
- Direct Exploitation: The attacker can directly access the registration form and manipulate the role parameter to set it to administrator.
- Automated Scripts: Attackers can use automated scripts to exploit this vulnerability across multiple WordPress sites using the Homey Login Register plugin.
3. Affected Systems and Software Versions
Affected Systems:
- WordPress sites using the Homey Login Register plugin.
Affected Software Versions:
- Homey Login Register plugin versions up to and including 2.4.0.
4. Recommended Mitigation Strategies
Immediate Actions:
- Update the Plugin: Upgrade the Homey Login Register plugin to a version higher than 2.4.0 if an update is available.
- Disable Registration: Temporarily disable user registration until the plugin is updated.
- Monitor Logs: Monitor server logs for any suspicious registration activities.
Long-Term Actions:
- Regular Audits: Conduct regular security audits of all installed plugins and themes.
- Least Privilege: Implement the principle of least privilege for user roles and permissions.
- Security Plugins: Use security plugins like Wordfence to monitor and protect against such vulnerabilities.
5. Impact on European Cybersecurity Landscape
The vulnerability poses a significant risk to the European cybersecurity landscape, particularly for organizations and individuals using WordPress with the Homey Login Register plugin. The potential for unauthenticated attackers to gain administrative access can lead to data breaches, website defacement, and other malicious activities. This underscores the importance of timely updates and regular security assessments for all web applications.
6. Technical Details for Security Professionals
Vulnerability Details:
- CVE ID: CVE-2024-11951
- Plugin Name: Homey Login Register
- Vendor: Fave Themes
- Affected Versions: All versions up to and including 2.4.0
Exploitation Steps:
- Identify Target: Locate a WordPress site using the vulnerable version of the Homey Login Register plugin.
- Access Registration Form: Navigate to the user registration form.
- Manipulate Role Parameter: Modify the role parameter in the registration request to set it to administrator.
- Submit Form: Submit the form to create an administrator account.
Detection and Response:
- Log Analysis: Look for unusual registration activities in server logs.
- Intrusion Detection Systems (IDS): Implement IDS to detect and alert on suspicious registration attempts.
- Incident Response: Have an incident response plan in place to quickly address any detected exploitation attempts.
References:
By addressing this vulnerability promptly and implementing robust security measures, organizations can mitigate the risk of privilege escalation attacks and protect their WordPress sites from potential breaches.