EUVD-2025-34721

Comprehensive Technical Analysis of EUVD-2025-34721

1. Vulnerability Assessment and Severity Evaluation

The vulnerability in the Felan Framework plugin for WordPress, identified as EUVD-2025-34721 (CVE-2025-10850), involves improper authentication due to hardcoded passwords in the 'fb_ajax_login_or_register' and 'google_ajax_login_or_register' functions. This vulnerability allows unauthenticated attackers to log in as any existing user who registered via Facebook or Google social login and did not change their password.

Severity Evaluation:

• Base Score: 9.8
• Base Score Version: 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 high base score of 9.8 indicates a critical vulnerability. The CVSS vector breakdown shows that the attack can be executed over the network (AV:N), requires low complexity (AC:L), does not need privileges (PR:N) or user interaction (UI:N), and has a high impact on confidentiality, integrity, and availability (C:H/I:H/A:H).

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Unauthenticated Access: Attackers can exploit the hardcoded passwords to gain unauthorized access to user accounts.
• Social Engineering: Attackers may use social engineering techniques to trick users into not changing their default passwords, making the exploitation easier.

Exploitation Methods:

• Direct Login: Attackers can use the hardcoded passwords to log in directly as any user who registered via Facebook or Google social login.
• Automated Scripts: Attackers can write automated scripts to scan for vulnerable WordPress sites and exploit the vulnerability en masse.

3. Affected Systems and Software Versions

Affected Systems:

• WordPress sites using the Felan Framework plugin.

Software Versions:

• Felan Framework plugin versions up to and including 1.1.4.

4. Recommended Mitigation Strategies

Immediate Actions:

• Update the Plugin: Ensure that the Felan Framework plugin is updated to a version higher than 1.1.4.
• Change Passwords: Advise users who registered via Facebook or Google social login to change their passwords immediately.
• Disable Social Login: Temporarily disable social login features until the vulnerability is patched.

Long-Term Strategies:

• Regular Audits: Conduct regular security audits of all plugins and themes used on WordPress sites.
• User Education: Educate users about the importance of changing default passwords and using strong, unique passwords.
• Monitoring: Implement monitoring tools to detect and respond to unauthorized login attempts.

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 Felan Framework plugin. The potential for unauthorized access to user accounts can lead to data breaches, financial loss, and reputational damage. Given the widespread use of WordPress, this vulnerability could affect a large number of websites across Europe, making it a critical concern for cybersecurity professionals.

6. Technical Details for Security Professionals

Vulnerability Details:

• Hardcoded Passwords: The 'fb_ajax_login_or_register' and 'google_ajax_login_or_register' functions contain hardcoded passwords, which are used for authentication.
• Authentication Bypass: Attackers can bypass the authentication mechanism by using these hardcoded passwords to log in as any user who registered via social login.

Detection and Response:

• Log Analysis: Monitor login attempts and look for unusual patterns or repeated login failures.
• Intrusion Detection Systems (IDS): Deploy IDS to detect and alert on suspicious login activities.
• Patch Management: Ensure that all plugins and themes are regularly updated to the latest versions.

References:

• Wordfence Threat Intel
• ThemeForest Felan Framework
• NVD CVE-2025-10850

By addressing this vulnerability promptly and implementing robust security measures, organizations can mitigate the risk of unauthorized access and protect their digital assets.