CVE-2020-8658 : Security Advisory and Response

The BestWebSoft Htaccess plugin through 1.8.1 for WordPress is vulnerable to CSRF attacks, allowing attackers to modify the .htaccess file and take control of the website.

Understanding CVE-2020-8658

This CVE describes a security vulnerability in the BestWebSoft Htaccess plugin for WordPress.

What is CVE-2020-8658?

The vulnerability in the BestWebSoft Htaccess plugin allows for CSRF attacks, enabling malicious actors to manipulate the .htaccess file and compromise the website.

The Impact of CVE-2020-8658

The incorrect validation of nonces in the plugin results in inadequate anti-CSRF protection, leading to unauthorized modifications of the .htaccess file and potential website takeover by attackers.

Technical Details of CVE-2020-8658

The technical aspects of the CVE provide insight into the vulnerability and its implications.

Vulnerability Description

The flaw in the BestWebSoft Htaccess plugin allows for CSRF attacks via the htccss_nonce_name flag, bypassing proper nonce validation and facilitating unauthorized access to the .htaccess file.

Affected Systems and Versions

Product: BestWebSoft Htaccess plugin
Version: up to 1.8.1

Exploitation Mechanism

Attackers can exploit the vulnerability by directing victims to a malicious webpage that alters the .htaccess file, leading to website compromise.

Mitigation and Prevention

Effective strategies to address and prevent the CVE-2020-8658 vulnerability.

Immediate Steps to Take

Disable or remove the BestWebSoft Htaccess plugin if not essential
Monitor website activity for suspicious changes

Long-Term Security Practices

Regularly update plugins and WordPress installations
Implement strong authentication mechanisms and access controls

Patching and Updates

Check for plugin updates and apply patches promptly to mitigate the vulnerability