CVE-2025-6934 Scanner

The Opal Estate Pro plugin is a property management tool used by WordPress sites to efficiently handle real estate listings. Developed by Themeforest, it offers users the ability to manage properties directly from WordPress. The plugin is popular among real estate agencies looking to showcase property listings online. Its features include advanced listing options, property searches, and membership functionality. Users prefer it for its seamless integration with WordPress and ease of use. Administrators use this plugin to enhance the functionality of real estate websites.

The vulnerability identified in the Opal Estate Pro plugin involves unauthenticated privilege escalation. Due to missing role restrictions, attackers can register with elevated privileges, specifically as administrators. This lack of adequate authorization checks allows for unauthorized access to critical site functions. Attackers can thereby gain full administrative control of the WordPress site. Such vulnerabilities pose significant security risks if not addressed promptly. The privilege escalation flaw is especially critical in environments where multiple user roles are in place amidst sensitive data.

Technically, the root cause of the vulnerability lies in the `on_register_user` function. This function fails to enforce role limitations during the user registration process. Specifically, attackers can exploit a lack of proper nonce validation, allowing registration with any chosen role, including administrator. By performing HTTP POST requests with manipulated parameters, an attacker can bypass normal user role constraints. The attacker's requests can include an `opalestate-register-nonce`, which is mishandled by the endpoint. The exploitation requires no previous authentication, exacerbating its severity.

Exploiting this vulnerability would allow a malicious user to take full control of the target WordPress site. Once an attacker registers as an administrator, they can modify or delete site content. The exploit could lead to data breaches, unauthorized access to posts or user information, and potential denial of service by tampering site setup. The attack could further allow for the installation of malicious plugins or scripts, potentially affecting site visitors. Long-term effects might include a compromised user base and loss of credibility for site owners.

REFERENCES

• https://github.com/Nxploited/CVE-2025-6934/blob/main/README.md
• https://wordpress.org/plugins/opal-estate-pro/