CVE-2021-40238 : Security Advisory and Response

Webuzo < 2.9.0 is affected by a Cross Site Scripting (XSS) vulnerability that allows attackers to achieve Unauthenticated Remote Code Execution via the "Cron Jobs" functionality.

Understanding CVE-2021-40238

This CVE discloses a critical security issue in Webuzo < 2.9.0 that can lead to Unauthenticated Remote Code Execution.

What is CVE-2021-40238?

The vulnerability stems from an XSS issue within the admin panel of Webuzo < 2.9.0. By sending an HTTP request to a non-existent page, attackers can activate the vulnerability when administrators view the "Error Log" page.

The Impact of CVE-2021-40238

The exploit of this vulnerability enables attackers to execute code remotely without authentication, posing a significant risk to the security and functionality of Webuzo installations.

Technical Details of CVE-2021-40238

Webuzo < 2.9.0's vulnerability presents several crucial technical aspects:

Vulnerability Description

The XSS flaw in the admin panel allows malicious actors to trigger Unauthenticated Remote Code Execution by utilizing the "Cron Jobs" feature.

Affected Systems and Versions

Product: Webuzo
Vendor: N/A
Versions Affected: < 2.9.0

Exploitation Mechanism

The vulnerability is exploited by submitting an HTTP request to a page that doesn't exist, triggered when administrators access the "Error Log" page.

Mitigation and Prevention

To safeguard systems from CVE-2021-40238, immediate actions and long-term security practices are imperative.

Immediate Steps to Take

Update Webuzo to version 2.9.0 or a later version to patch the vulnerability.
Monitor system logs for any suspicious activities.

Long-Term Security Practices

Regularly audit and review server configuration files for any unauthorized changes.
Train administrators and users on safe browsing habits and potential security risks.

Patching and Updates

Apply security updates promptly to ensure protection against known vulnerabilities.