CVE-2021-25084 : Exploit Details and Defense Strategies

The Advanced Cron Manager WordPress plugin and Advanced Cron Manager Pro WordPress plugin are vulnerable to an authorization bypass flaw, allowing authenticated users to perform unauthorized actions.

Understanding CVE-2021-25084

This CVE identifies a security issue in the Advanced Cron Manager and its Pro version.

What is CVE-2021-25084?

The plugins allow any authenticated user, like a subscriber, to manipulate events and schedules without proper authorization checks.

The Impact of CVE-2021-25084

An attacker could exploit this vulnerability to add or remove events and schedules, potentially disrupting the plugin's functionalities.

Technical Details of CVE-2021-25084

This section provides detailed information about the vulnerability.

Vulnerability Description

The lack of authorization checks in some AJAX actions of the plugins permits unauthorized users to interact with event and schedule management.

Affected Systems and Versions

Advanced Cron Manager plugin versions prior to 2.4.2
Advanced Cron Manager Pro plugin versions prior to 2.5.3

Exploitation Mechanism

Authenticated users, such as subscribers, can abuse the vulnerability to create or delete events and schedules.

Mitigation and Prevention

Discover the steps to secure your system against CVE-2021-25084.

Immediate Steps to Take

Update the plugins to the latest versions to ensure the authorization checks are in place.

Long-Term Security Practices

Regularly monitor and review user permissions and plugin updates to maintain a secure WordPress environment.

Patching and Updates

Stay informed about security patches and apply them promptly to mitigate potential risks.