Overview
In the evolving world of cybersecurity threats, an alarming vulnerability has been detected in the Bravis User plugin for WordPress, a widely used content management system (CMS). The vulnerability, classified as CVE-2025-5060, allows a potential attacker to bypass authentication and gain unauthorized access to administrative privileges.
This vulnerability is particularly significant, given the large number of websites worldwide that rely on WordPress and its plugins. If exploited, it could lead to system compromise and data leakage, posing serious risks to the integrity, availability, and confidentiality of the impacted systems.
Vulnerability Summary
CVE ID: CVE-2025-5060
Severity: High (CVSS: 8.1)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Unauthorized access to administrative privileges, potential system compromise, and data leakage.
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Product | Affected Versions
Bravis User Plugin for WordPress | All versions up to and including 1.0.0
How the Exploit Works
The vulnerability lies in the plugin’s improper handling of user authentication. Specifically, the facebook_ajax_login_callback() function fails to adequately log in a user with the verified data. As a result, an attacker with an existing account on the site and access to the administrative user’s email can exploit this flaw to bypass authentication and log in as an administrative user.
Conceptual Example Code
While the exact exploit code would depend on the specific circumstances, the following is a conceptual example of how the vulnerability might be exploited:
POST /wp-admin/admin-ajax.php?action=bravis_fb_login HTTP/1.1
Host: vulnerable-website.com
Content-Type: application/json
{
"user_email": "admin@vulnerable-website.com",
"user_password": "attacker's_known_password"
}In this example, the attacker sends a POST request to the ‘bravis_fb_login’ endpoint, using the administrative user’s email and a password known to the attacker. The server fails to properly authenticate the user and logs them in as an administrative user.
Mitigation
To mitigate this vulnerability, it is advised to apply the vendor-supplied patch immediately. If a patch is not available, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can offer temporary protection by blocking or alerting on suspicious activity. However, these are not full solutions and the plugin should be patched as soon as possible to fully secure the system.
