CVE-2021-24851 Explained : Impact and Mitigation
Discover how users with low roles can access unauthorized content in Insert Pages plugin < 3.7.0. Learn the impact, technical details, and mitigation steps for CVE-2021-24851.
The Insert Pages WordPress plugin before version 3.7.0 is affected by a vulnerability that allows users with low roles like Contributor to access content and metadata from arbitrary posts/pages regardless of their author and status. This can be done using a shortcode. Password-protected posts/pages are not impacted by this issue.
Understanding CVE-2021-24851
This section provides insight into the details and impact of the CVE-2021-24851 vulnerability.
What is CVE-2021-24851?
The CVE-2021-24851 vulnerability affects the Insert Pages WordPress plugin versions prior to 3.7.0, enabling users with limited roles to access content and metadata from posts/pages they should not have access to.
The Impact of CVE-2021-24851
The vulnerability allows users with Contributor roles to view content and metadata of arbitrary posts/pages regardless of their authorization or privacy status, potentially leading to unauthorized access to sensitive information.
Technical Details of CVE-2021-24851
This section covers technical aspects of the CVE-2021-24851 vulnerability.
Vulnerability Description
The flaw in Insert Pages plugin versions earlier than 3.7.0 permits low-privileged users to access content and metadata from all posts/pages using a shortcode, bypassing intended access restrictions.
Affected Systems and Versions
Insert Pages plugin versions below 3.7.0 are impacted by this vulnerability, allowing users with limited roles to exploit the issue.
Exploitation Mechanism
By leveraging a shortcode, users with roles as low as Contributor can bypass access controls and view content and metadata from posts/pages regardless of their privacy settings.
Mitigation and Prevention
Learn how to protect your system from CVE-2021-24851 and future vulnerabilities.
Immediate Steps to Take
Website administrators should update the Insert Pages plugin to version 3.7.0 or higher to mitigate the vulnerability.
Long-Term Security Practices
Regularly monitor and update plugins, themes, and WordPress core to ensure system security.
Patching and Updates
Stay informed about security patches and updates for all WordPress plugins to prevent exploitation of vulnerabilities.