CVE-2021-29400 : What You Need to Know

A CSRF vulnerability in the My SMTP Contact v1.1.1 plugin for GetSimple CMS allows remote attackers to modify SMTP settings after an authenticated admin visits a malicious third-party site.

Understanding CVE-2021-29400

This CVE describes a cross-site request forgery vulnerability in a specific plugin for GetSimple CMS.

What is CVE-2021-29400?

CVE-2021-29400 is a vulnerability that enables attackers to alter SMTP settings of contact forms in GetSimple CMS through a CSRF attack.

The Impact of CVE-2021-29400

Attackers can exploit this vulnerability to manipulate contact form settings once an admin interacts with a malicious website, potentially leading to unauthorized changes.

Technical Details of CVE-2021-29400

This section provides more insights into the vulnerability's description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability allows remote attackers to change SMTP settings of contact forms on webpages powered by GetSimple CMS, following an authenticated admin's visit to a malicious third-party site.

Affected Systems and Versions

The vulnerability affects the My SMTP Contact v1.1.1 plugin for GetSimple CMS.

Exploitation Mechanism

By triggering a CSRF attack, remote threat actors can exploit the vulnerability to tamper with SMTP configurations of contact forms.

Mitigation and Prevention

Discover the immediate steps to take to minimize the CVE's impact and implement long-term security practices.

Immediate Steps to Take

Admins should avoid visiting untrusted sites while logged into the CMS and consider temporarily disabling the vulnerable plugin.

Long-Term Security Practices

Maintain regular security updates, conduct periodic security audits, and educate users about the risks associated with CSRF attacks.

Patching and Updates

Look out for patches or updates released by the plugin developers to address the CVE-2021-29400 vulnerability.