Vulnerability Overview
CVE-2021-24915 allows attackers to perform SQL injections to access or manipulate the database. This can lead to unauthorized disclosure of all registered users' usernames and email addresses on the affected WordPress site.
Vulnerability Details
The flaw is present in the functionality that handles user exports from galleries. By manipulating the 'cg-search-user-name-original' parameter, attackers can inject arbitrary SQL commands, which are executed by the plugin without proper sanitization or capability checks, leading to potential data breaches.
Possible Effects
Exploiting this vulnerability could lead to:
- Unauthorized access to sensitive user information.
- Database manipulation or corruption.
- Compromise of the entire WordPress site.
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References
- WPScan Vulnerability Report
- Contest Gallery Plugin on WordPress
- CVE-2021-24915 on NVD
- Update Immediately: Upgrade to Contest Gallery version 13.1.0.6 or later.
- Review Access Controls: Ensure that only trusted users have administrative privileges.
- Implement WAF: Use Web Application Firewalls to detect and block SQL injection attempts.
- Regularly Monitor Logs: Check for suspicious activities indicating exploitation attempts.
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