Overview
The Brave Conversion Engine (PRO) plugin for WordPress, a popular tool used by marketers for lead generation and conversion optimization, is plagued by a serious Authentication Bypass vulnerability. This security flaw, tagged as CVE-2025-7710, is found in all versions up to and including 0.7.7. It is caused by the plugin’s improper restriction of a claimed identity during Facebook authentication. The vulnerability’s high severity score of 9.8 reflects its potential for extensive damage, including system compromise and data leakage.
This vulnerability significantly matters because it allows unauthenticated attackers to log in as other users, including administrators. This could potentially grant them high-level access to sensitive information and control over the WordPress site. Given the widespread use of WordPress, the potential impact is significant and requires immediate attention.
Vulnerability Summary
CVE ID: CVE-2025-7710
Severity: Critical (9.8 CVSS Score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise and potential data leakage
Affected Products
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Product | Affected Versions
Brave Conversion Engine (PRO) Plugin for WordPress | Up to and including 0.7.7
How the Exploit Works
The exploit takes advantage of a flaw in the Brave Conversion Engine plugin’s handling of Facebook authentication. Specifically, the plugin does not adequately verify the claimed identity, which allows attackers to bypass the authentication process. The attacker could claim the identity of any user, including an administrator, and gain unauthorized access.
Conceptual Example Code
This conceptual example demonstrates how the vulnerability might be exploited. It represents a malicious HTTP POST request that an attacker might send to bypass authentication.
POST /wp-login.php HTTP/1.1
Host: vulnerable-wordpress-site.com
Content-Type: application/x-www-form-urlencoded
username=admin&password=&auth_method=facebook&auth_token=[malicious_token]In this example, the attacker is attempting to log in as the ‘admin’ user via Facebook authentication (`auth_method=facebook`). The `auth_token` parameter is manipulated with a malicious token to bypass the normal authentication checks.
Mitigation
To mitigate this vulnerability, users are strongly advised to apply the vendor-provided patch. If a patch is not available or cannot be applied immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation. These systems can be configured to detect and block suspicious authentication attempts. However, these are not long-term solutions, and patching the vulnerability remains the most secure option.