Groundhogg <= 2.7.9.8 - Cross-Site Request Forgery to Privilege Escalation
Vulnerability Description
The Groundhogg plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.7.9.8. This is due to missing nonce validation in the 'ajax_edit_contact' function. This makes it possible for authenticated attackers to receive the auto login link via shortcode and then modify the assigned user to the auto login link to elevate verified user privileges via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-2736
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- István Márton
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/9bf472f1-5980-48ee-aa10-aad19b6f2456?source=cve
- https://plugins.trac.wordpress.org/browser/groundhogg/tags/2.7.9.8/includes/shortcodes.php#L99
- https://plugins.trac.wordpress.org/browser/groundhogg/tags/2.7.9.8/admin/contacts/contacts-page.php#L542
- https://plugins.trac.wordpress.org/changeset/2914493/groundhogg/tags/2.7.10/admin/contacts/contacts-page.php
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