CVE-2021-39317 : Vulnerability Insights and Analysis
Discover the details of CVE-2021-39317 affecting AccessPress Themes. Learn about the impact, technical aspects, and mitigation steps for this authenticated malicious file upload vulnerability.
This CVE-2021-39317 article provides details about a WordPress plugin and various themes by AccessPress Themes susceptible to malicious file uploads, along with mitigation steps.
Understanding CVE-2021-39317
This section delves into the specifics of CVE-2021-39317.
What is CVE-2021-39317?
A vulnerability in a WordPress plugin and themes by AccessPress Themes allows malicious file uploads through the plugin_offline_installer AJAX action.
The Impact of CVE-2021-39317
The CVE carries a CVSS v3.1 base score of 8.8 (High) with implications for confidentiality, integrity, and availability.
Technical Details of CVE-2021-39317
In this section, we explore the technical aspects of CVE-2021-39317.
Vulnerability Description
The vulnerability arises from a missing capability check in the plugin's callback function.
Affected Systems and Versions
List of affected products and versions:
- AccessPress Demo Importer <= 1.0.6
- accesspress-basic <= 3.2.1
- accesspress-lite <= 2.9.2
- accesspress-mag <= 2.6.5
- and more
Exploitation Mechanism
The issue stems from improper authorization and unrestricted file uploads.
Mitigation and Prevention
Learn how to mitigate and prevent issues related to CVE-2021-39317.
Immediate Steps to Take
- Update to the latest software versions
- Uninstall if no updates available
Long-Term Security Practices
- Regularly update plugins and themes
- Implement file upload restrictions
- Conduct security audits
Patching and Updates
Stay informed about security patches and promptly apply them.