CVE-2021-24825 : What You Need to Know
Discover the impact of CVE-2021-24825 on Custom Content Shortcode plugin versions less than 4.0.2. Learn about the vulnerability, affected systems, exploitation, and mitigation steps.
A detailed overview of CVE-2021-24825 focusing on the Custom Content Shortcode WordPress plugin vulnerability.
Understanding CVE-2021-24825
This CVE describes a security vulnerability in the Custom Content Shortcode WordPress plugin.
What is CVE-2021-24825?
The Custom Content Shortcode WordPress plugin before version 4.0.2 is vulnerable to an authenticated arbitrary file access / local file inclusion (LFI) attack due to improper data validation in the load shortcode function.
The Impact of CVE-2021-24825
This vulnerability could allow Contributor+ (versions less than 4.0.1) or Admin+ (versions less than 4.0.2) users to display arbitrary files from the filesystem and execute PHP files, leading to potential security breaches.
Technical Details of CVE-2021-24825
Exploring the specifics of the CVE-2021-24825 vulnerability in the Custom Content Shortcode plugin.
Vulnerability Description
The issue arises from the plugin's failure to properly validate input data, enabling attackers to access sensitive files and execute malicious PHP files.
Affected Systems and Versions
The vulnerability impacts Custom Content Shortcode plugin versions earlier than 4.0.2, affecting both Contributor+ and Admin+ users.
Exploitation Mechanism
By exploiting this vulnerability, malicious actors can manipulate the plugin to display unauthorized files and execute arbitrary PHP code.
Mitigation and Prevention
Guidance on addressing and preventing the CVE-2021-24825 vulnerability in the Custom Content Shortcode WordPress plugin.
Immediate Steps to Take
Users are advised to update the plugin to version 4.0.2 or later to mitigate the vulnerability and enhance security.
Long-Term Security Practices
Implementing strict user permissions, disabling unfiltered_html, and file_edit capabilities can enhance security posture and prevent unauthorized file access.
Patching and Updates
Regularly monitor for plugin updates and apply security patches promptly to protect systems from known vulnerabilities.