CVE-2023-2528

The Contact Form by Supsystic plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.7.24. This is due to missing or incorrect nonce validation on the AJAX action handler. This makes it possible for unauthenticated attackers to execute AJAX actions via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

• CWE-352
• CWE-352

• https://plugins.trac.wordpress.org/browser/contact-form-by-supsystic/trunk/classes/frame.php?rev=2777737#L297Issue Tracking
• https://plugins.trac.wordpress.org/browser/contact-form-by-supsystic/trunk/classes/frame.php?rev=2912584#L230Issue Tracking
• https://www.wordfence.com/threat-intel/vulnerabilities/id/1c387b07-baf6-4c62-943e-4bd121160ceb?source=cveThird Party Advisory
• https://plugins.trac.wordpress.org/browser/contact-form-by-supsystic/trunk/classes/frame.php?rev=2777737#L297Issue Tracking
• https://plugins.trac.wordpress.org/browser/contact-form-by-supsystic/trunk/classes/frame.php?rev=2912584#L230Issue Tracking
• https://www.wordfence.com/threat-intel/vulnerabilities/id/1c387b07-baf6-4c62-943e-4bd121160ceb?source=cveThird Party Advisory

Published

May 17, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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