CVE-2021-24666 Explained : Impact and Mitigation

Podlove Podcast Publisher plugin before version 3.5.6 for WordPress is vulnerable to an unauthenticated SQL Injection through a 'Social & Donations' module. Attackers can exploit this by manipulating the 'id' and 'category' parameters in the URL to execute malicious SQL queries.

Understanding CVE-2021-24666

This CVE involves an SQL Injection vulnerability in the Podlove Podcast Publisher plugin for WordPress, allowing unauthenticated attackers to manipulate parameters and conduct SQL injection attacks.

What is CVE-2021-24666?

The CVE-2021-24666 vulnerability exists in versions of the Podlove Podcast Publisher plugin for WordPress prior to 3.5.6. Attackers can abuse the 'id' and 'category' parameters to perform SQL injection attacks via the '/services/contributor' route.

The Impact of CVE-2021-24666

Exploitation of this vulnerability can lead to unauthorized access to the WordPress database, potential data theft, and modification of sensitive information. It poses a serious threat to the security and integrity of affected WordPress websites.

Technical Details of CVE-2021-24666

The following provides detailed technical insights into the CVE-2021-24666 vulnerability.

Vulnerability Description

The vulnerability in the Podlove Podcast Publisher plugin allows unauthenticated attackers to execute SQL injection attacks through the 'id' and 'category' parameters in the URL, specifically via the '/services/contributor' route.

Affected Systems and Versions

Podlove Podcast Publisher versions prior to 3.5.6 are impacted by this vulnerability. Users with affected versions are at risk of exploitation by malicious actors.

Exploitation Mechanism

By manipulating the 'id' and 'category' parameters in the URL of the 'Social & Donations' module (not activated by default), attackers can inject and execute malicious SQL queries, potentially compromising the database.

Mitigation and Prevention

To protect systems from CVE-2021-24666 and enhance overall security, consider the following mitigation strategies:

Immediate Steps to Take

Update the Podlove Podcast Publisher plugin to version 3.5.6 or newer to eliminate the vulnerability.
If feasible, disable the 'Social & Donations' module to reduce the attack surface.

Long-Term Security Practices

Regularly monitor for plugin updates and security advisories to stay informed about vulnerabilities and patches.
Implement robust security measures, such as web application firewalls and regular security audits, to safeguard against potential attacks.

Patching and Updates

Stay proactive in applying security patches and updates to all WordPress plugins and themes. Timely patching is crucial to addressing known vulnerabilities and maintaining a secure WordPress environment.