CVE-2021-4345 : What You Need to Know
Learn about CVE-2021-4345, a vulnerability in the uListing WordPress plugin by stylemix allowing attackers to bypass authorization checks, manipulate roles, and add capabilities.
A detailed article about CVE-2021-4345 focusing on the vulnerability in the uListing WordPress plugin by stylemix.
Understanding CVE-2021-4345
This section dives into the details of the CVE-2021-4345 vulnerability in the uListing WordPress plugin.
What is CVE-2021-4345?
The uListing plugin for WordPress is vulnerable to authorization bypass due to missing capability and nonce checks on the UlistingUserRole::save_role_api method in versions up to, and including, 1.6.6. This allows unauthenticated attackers to manipulate roles and capabilities.
The Impact of CVE-2021-4345
The vulnerability poses a medium severity risk with a CVSS base score of 6.5, enabling attackers to potentially modify user roles and capabilities.
Technical Details of CVE-2021-4345
This section covers the technical aspects of CVE-2021-4345 including the vulnerability description, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability stems from missing capability and nonce checks in the uListing plugin for WordPress, allowing unauthorized role and capability modifications.
Affected Systems and Versions
The Directory Listings WordPress plugin - uListing versions up to and including 1.6.6 are affected by CVE-2021-4345.
Exploitation Mechanism
Attackers can exploit this vulnerability by sending unauthorized requests to the UlistingUserRole::save_role_api method, bypassing necessary checks.
Mitigation and Prevention
In this section, you'll find crucial information on how to mitigate the risks associated with CVE-2021-4345.
Immediate Steps to Take
Users are advised to update the uListing plugin to version 1.7 or higher to patch the vulnerability and prevent unauthorized role manipulation.
Long-Term Security Practices
Implement stringent access controls and regularly update plugins to reduce the risk of similar vulnerabilities in the future.
Patching and Updates
Stay informed about security updates for the uListing plugin and apply patches promptly to maintain a secure WordPress environment.