Learn about CVE-2021-34626, a vulnerability in WP Upload Restriction plugin allowing low-level users to delete admin-created extensions. Uninstall the plugin immediately for security.
A vulnerability in the deleteCustomType function of the WP Upload Restriction WordPress plugin allows low-level authenticated users to delete custom extensions added by administrators. This issue affects versions 2.2.3 and prior.
Understanding CVE-2021-34626
This CVE refers to an access control issue in the WP Upload Restriction plugin, potentially enabling unauthorized users to remove custom extensions.
What is CVE-2021-34626?
CVE-2021-34626 highlights a security vulnerability in WP Upload Restriction 2.2.3 and earlier, allowing low-level authenticated users to delete admin-created custom extensions.
The Impact of CVE-2021-34626
The vulnerability may lead to unauthorized modifications, compromising the integrity of custom extensions and potentially causing data loss or manipulation.
Technical Details of CVE-2021-34626
This section covers the specifics of the vulnerability, affected systems, and how it can be exploited.
Vulnerability Description
The flaw in the deleteCustomType function allows low-level authenticated users to delete custom extensions set up by administrators, posing a serious security risk.
Affected Systems and Versions
WP Upload Restriction versions up to 2.2.3 are impacted by this vulnerability, making them susceptible to unauthorized deletion of custom extensions.
Exploitation Mechanism
The vulnerability can be exploited by low-level authenticated users leveraging the access control weakness in the deleteCustomType function.
Mitigation and Prevention
Discover the necessary steps to mitigate the risk and prevent unauthorized access in the future.
Immediate Steps to Take
Users should promptly uninstall the WP Upload Restriction plugin from their WordPress sites to mitigate the risk of unauthorized deletion of custom extensions.
Long-Term Security Practices
Implement robust access control measures and regular security audits to prevent similar vulnerabilities and maintain the integrity of custom extensions.
Patching and Updates
Stay informed about security updates for WP Upload Restriction and promptly apply patches to address known vulnerabilities and enhance the security posture of your WordPress site.