CVE-2023-4827 : Vulnerability Insights and Analysis

This CVE, assigned by WPScan, relates to a security issue in the File Manager Pro WordPress plugin that allows for remote code execution via CSRF attacks. The vulnerability was published on October 16, 2023.

Understanding CVE-2023-4827

This section delves into the details of CVE-2023-4827, explaining the nature of the vulnerability and its potential impact.

What is CVE-2023-4827?

CVE-2023-4827 involves a flaw in the File Manager Pro WordPress plugin before version 1.8. Attackers can exploit this vulnerability by manipulating the CSRF nonce in the

fs_connector

AJAX action. This allows them to trick privileged users into executing unintended file system actions through CSRF attacks, like uploading a web shell.

The Impact of CVE-2023-4827

The impact of CVE-2023-4827 can be severe as it enables malicious actors to carry out unauthorized file operations through CSRF manipulation. This could lead to unauthorized data access, data manipulation, or even full system compromise, depending on the attacker's intent.

Technical Details of CVE-2023-4827

This section provides a more technical insight into the vulnerability, including its description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in the File Manager Pro WordPress plugin arises from inadequate validation of CSRF nonces in the

fs_connector

AJAX action. This oversight allows attackers to craft malicious requests that execute privileged actions on behalf of authenticated users.

Affected Systems and Versions

The vulnerability impacts File Manager Pro versions prior to 1.8. Users utilizing versions below 1.8 are susceptible to exploitation of this CSRF vulnerability, potentially resulting in unauthorized actions on the file system.

Exploitation Mechanism

Attackers can exploit CVE-2023-4827 by leveraging CSRF attacks targeting the

fs_connector

AJAX action. By tricking authenticated users into triggering specific requests, malicious actors can bypass security mechanisms and execute unauthorized file operations within the system.

Mitigation and Prevention

To address CVE-2023-4827 and enhance overall security posture, immediate actions and long-term security practices are crucial.

Immediate Steps to Take

Users of File Manager Pro should update to version 1.8 or newer to mitigate the CSRF vulnerability.
Implementing security measures like CSRF tokens and secure coding practices can help prevent similar exploits in the future.

Long-Term Security Practices

Regularly monitor and update plugins and software to patch known vulnerabilities promptly.
Conduct security audits and vulnerability assessments to proactively identify and address potential weaknesses in WordPress plugins.

Patching and Updates

File Manager Pro users are advised to regularly check for plugin updates and promptly apply patches released by the developer to ensure protection against known vulnerabilities like CVE-2023-4827.