CVE-2021-24713 : Security Advisory and Response
Discover how the CVE-2021-24713 affects Video Lessons Manager plugins, enabling high privilege users to execute Cross-Site Scripting attacks. Learn mitigation steps and update recommendations!
The Video Lessons Manager WordPress plugin before 1.7.2 and Video Lessons Manager Pro WordPress plugin before 3.5.9 are affected by a stored Cross-Site Scripting vulnerability due to improper sanitization of values during settings update.
Understanding CVE-2021-24713
This CVE describes a security issue in the Video Lessons Manager and Video Lessons Manager Pro WordPress plugins that can be exploited by high privilege users for Cross-Site Scripting attacks.
What is CVE-2021-24713?
The CVE-2021-24713 affects the Video Lessons Manager and Video Lessons Manager Pro WordPress plugins due to incorrect handling of input values, enabling attackers to execute malicious scripts in the context of an authenticated user.
The Impact of CVE-2021-24713
The vulnerability allows high privilege users to inject malicious scripts, potentially compromising the website's security, stealing sensitive information, or performing unauthorized actions.
Technical Details of CVE-2021-24713
The following details provide insights into the vulnerability and its implications:
Vulnerability Description
The flaw arises from the lack of proper input validation, enabling attackers to inject and execute arbitrary scripts within the application.
Affected Systems and Versions
- Video Lessons Manager < 1.7.2
- Video Lessons Manager Pro < 3.5.9
Exploitation Mechanism
Attackers with high privilege accounts can exploit the vulnerability by inserting malicious scripts into the plugin's settings, which are executed when viewed by other users.
Mitigation and Prevention
To secure your system from CVE-2021-24713, follow these recommendations:
Immediate Steps to Take
- Update the Video Lessons Manager and Video Lessons Manager Pro plugins to versions 1.7.2 and 3.5.9 or later, respectively.
- Regularly monitor for any unauthorized changes or activities on your WordPress site.
Long-Term Security Practices
- Enforce strict input validation practices to prevent XSS vulnerabilities.
- Educate users about safe practices to mitigate the risks associated with high privilege accounts.
Patching and Updates
Stay informed about security patches and updates released by plugin developers and apply them promptly to address known vulnerabilities.