User Registration – Custom Registration Form, Login Form, and User Profile WordPress Plugin <= 3.1.4 - Unauthenticated Stored Self-Based Cross-Site Scripting
Vulnerability Description
The User Registration – Custom Registration Form, Login Form, and User Profile WordPress Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Display Name' parameter in all versions up to, and including, 3.1.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This vulnerability requires social engineering to successfully exploit, and the impact would be very limited due to the attacker requiring a user to login as the user with the injected payload for execution.
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?
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Matthew Rollings
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/62b809dc-4089-4822-8aeb-7049fcfe376e?source=cve
- https://plugins.trac.wordpress.org/browser/user-registration/trunk/includes/class-ur-shortcodes.php#L288
- https://plugins.trac.wordpress.org/changeset/3045419/user-registration/trunk/includes/class-ur-shortcodes.php
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