CVE-2023-30791 Explained : Impact and Mitigation
Learn about the CVE-2023-30791 vulnerability affecting Plane version 0.7.1, allowing unauthorized file uploads with HTML extensions. Understand the impact, technical details, and mitigation steps.
Plane version 0.7.1 has a vulnerability that allows an attacker to change the avatar of a profile, enabling the upload of files with HTML extensions that interpret both HTML and JavaScript.
Understanding CVE-2023-30791
This section provides insights into the CVE-2023-30791 vulnerability affecting Plane version 0.7.1.
What is CVE-2023-30791?
CVE-2023-30791, also known as Plane 0.7.1 - Insecure file upload, is a security flaw in Plane version 0.7.1 that permits an attacker to modify the profile avatar and upload files with HTML extensions, allowing the execution of HTML and JavaScript.
The Impact of CVE-2023-30791
The impact of CVE-2023-30791 includes Stored XSS attack scenarios, posing a high risk to confidentiality, integrity, and availability. The vulnerability's CVSS v3.1 base score is 7.1, categorizing it as a high severity issue.
Technical Details of CVE-2023-30791
This section delves into the technical aspects of CVE-2023-30791.
Vulnerability Description
The CVE-2023-30791 vulnerability arises due to Plane version 0.7.1's insecure file upload functionality, enabling attackers to upload malicious files with HTML extensions.
Affected Systems and Versions
The affected system by CVE-2023-30791 is Plane version 0.7.1. Users of this version are at risk of exploitation through unauthorized file uploads.
Exploitation Mechanism
Attackers exploit CVE-2023-30791 by leveraging the ability to change the profile avatar, facilitating the upload of files with HTML extensions to execute malicious HTML and JavaScript code.
Mitigation and Prevention
This section outlines the steps to mitigate and prevent the CVE-2023-30791 vulnerability.
Immediate Steps to Take
Users should refrain from uploading files with HTML extensions, especially through the profile avatar feature. Additionally, implementing input validation and file type restrictions can help mitigate the risk.
Long-Term Security Practices
Establishing secure coding practices, conducting regular security audits, and educating users about safe file uploading practices are crucial for long-term security.
Patching and Updates
Plane users are advised to update to a patched version that addresses the insecure file upload issue. Regularly applying security patches and staying informed about security best practices is essential to prevent exploitation.