CVE-2021-34629 : Exploit Details and Defense Strategies
Understand CVE-2021-34629, a vulnerability in SendGrid WordPress plugin up to 1.11.8 allowing an authorization bypass. Learn the impact, technical details, and mitigation steps.
A detailed overview of CVE-2021-34629, a vulnerability in SendGrid WordPress plugin version 1.11.8 that allows for an authorization bypass.
Understanding CVE-2021-34629
This section delves into the impact, technical details, and mitigation steps related to the CVE-2021-34629 vulnerability in SendGrid WordPress plugin.
What is CVE-2021-34629?
The SendGrid WordPress plugin up to version 1.11.8 is susceptible to an authorization bypass through the get_ajax_statistics function, which permits authenticated users to export statistics for a WordPress multi-site main site.
The Impact of CVE-2021-34629
The vulnerability poses a medium risk with a CVSS base score of 4.3, allowing authenticated users to bypass authorization and export statistics.
Technical Details of CVE-2021-34629
This section details the vulnerability description, affected systems and versions, as well as the exploitation mechanism.
Vulnerability Description
The vulnerability in the SendGrid WordPress plugin version 1.11.8 enables an authorization bypass, facilitating the export of statistics by authenticated users.
Affected Systems and Versions
SendGrid plugin versions up to and including 1.11.8 are impacted by this vulnerability.
Exploitation Mechanism
The vulnerability leverages the get_ajax_statistics function in the ~/lib/class-sendgrid-statistics.php file, allowing unauthorized access to export statistics.
Mitigation and Prevention
To address CVE-2021-34629, immediate proactive measures and long-term security practices are essential to prevent exploitation.
Immediate Steps to Take
Uninstall the SendGrid WordPress plugin version 1.11.8 to mitigate the authorization bypass vulnerability.
Long-Term Security Practices
Regularly update plugins, implement access controls, and monitor for unauthorized access attempts to enhance WordPress security.
Patching and Updates
Stay informed about security patches and updates for WordPress plugins to address vulnerabilities and enhance overall website security.