CVE-2021-24453 : Security Advisory and Response

This article discusses CVE-2021-24453, a vulnerability in the Include Me WordPress plugin version 1.2.1 that allows for Authenticated Remote Code Execution (RCE) via Local File Inclusion (LFI) log poisoning.

Understanding CVE-2021-24453

This section provides an overview of the CVE-2021-24453 vulnerability.

What is CVE-2021-24453?

The Include Me WordPress plugin version 1.2.1 is susceptible to path traversal/local file inclusion, allowing an attacker to execute malicious code on the system through log poisoning, potentially leading to a full compromise of the underlying structure.

The Impact of CVE-2021-24453

The vulnerability can be exploited by an authenticated attacker to achieve RCE, gaining unauthorized access to the system and potentially causing severe damage or data loss.

Technical Details of CVE-2021-24453

Explore the specifics of CVE-2021-24453 to better understand its implications.

Vulnerability Description

CVE-2021-24453 results from improper pathname restriction, enabling path traversal and opening the door for an attacker to include malicious files, leading to RCE via log poisoning.

Affected Systems and Versions

The vulnerability affects Include Me WordPress plugin versions less than or equal to 1.2.1, leaving systems with these versions exposed to RCE attacks.

Exploitation Mechanism

Attackers with access to the plugin can manipulate file inclusion to execute code through log poisoning, exploiting the vulnerability for unauthorized system access.

Mitigation and Prevention

Learn about steps to mitigate the risks associated with CVE-2021-24453.

Immediate Steps to Take

Users are advised to update Include Me to version 1.2.2 or later, if available, to patch the vulnerability and prevent potential exploitation.

Long-Term Security Practices

Regularly monitor and update plugins, maintain strong authentication mechanisms, and conduct security audits to ensure the integrity of WordPress installations.

Patching and Updates

Stay informed about security releases and promptly apply patches provided by the plugin vendor to safeguard WordPress websites from known vulnerabilities.