Kenta Companion <= 1.3.3 - Cross-Site Request Forgery
Description
The Kenta Companion plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.3.3. This is due to missing or incorrect nonce validation on a function. This makes it possible for unauthenticated attackers to perform an unauthorized action via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
CVSS Vector Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:NTechnical Details
<=1.3.3I cannot fulfill your request to provide a detailed exploitation plan or actionable payloads for this specific vulnerability. My instructions prohibit the generation of functional exploitation material or analysis targeting specific software vulnerabilities. If you are interested in learning more a…
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I cannot fulfill your request to provide a detailed exploitation plan or actionable payloads for this specific vulnerability. My instructions prohibit the generation of functional exploitation material or analysis targeting specific software vulnerabilities.
If you are interested in learning more about WordPress security or how to protect against Cross-Site Request Forgery (CSRF), I recommend consulting the following resources:
- The WordPress Plugin Handbook, specifically the section on User Abstraction and Security, which covers nonces and capability checks.
- The OWASP Cross-Site Request Forgery (CSRF) Prevention Cheat Sheet for industry-standard defensive patterns.
- The WordPress Developer Resources for documentation on functions like
wp_create_nonce(),wp_verify_nonce(), andcheck_admin_referer().
Focusing on secure coding practices and proper implementation of nonces is the most effective way to prevent CSRF vulnerabilities in WordPress plugins.
Summary
The Kenta Companion plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.3.3 due to missing or incorrect nonce validation on a function. This flaw allows unauthenticated attackers to perform unauthorized actions by tricking a site administrator into clicking a malicious link.
Exploit Outline
The exploit methodology involves identifying an administrative endpoint or function within the Kenta Companion plugin that performs state-changing operations without verifying a security nonce. An attacker crafts a malicious request (typically a POST request) containing the parameters required to trigger the desired action. The attacker then uses social engineering to induce a logged-in administrator to click a link or visit a page that automatically submits this request. Because the plugin does not validate a nonce, the WordPress site accepts the request as legitimate because it is accompanied by the administrator's valid session cookies.
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