CVE-2021-24740 : What You Need to Know
Discover the details of CVE-2021-24740, a vulnerability in Tutor LMS WordPress plugin < 1.9.9 allowing high privilege users to execute Cross-Site Scripting attacks. Learn about the impact, technical aspects, and mitigation steps.
A detailed overview of CVE-2021-24740, a vulnerability in the Tutor LMS WordPress plugin before version 1.9.9 that could lead to Cross-Site Scripting attacks.
Understanding CVE-2021-24740
CVE-2021-24740 is a security vulnerability found in the Tutor LMS WordPress plugin versions earlier than 1.9.9. It allows high privilege users to execute Cross-Site Scripting attacks despite restrictions.
What is CVE-2021-24740?
The vulnerability in the Tutor LMS plugin allows certain settings to be output without proper escaping, enabling administrators to inject malicious scripts through Cross-Site Scripting attacks.
The Impact of CVE-2021-24740
The impact of this vulnerability is significant as it can be exploited by high privilege users to perform Cross-Site Scripting attacks, potentially compromising the security and integrity of affected websites.
Technical Details of CVE-2021-24740
In-depth details regarding the vulnerability and its implications.
Vulnerability Description
The issue arises from the plugin failing to sanitize certain settings before displaying them as attributes, enabling attackers to execute XSS attacks despite restrictions.
Affected Systems and Versions
Tutor LMS versions before 1.9.9 are vulnerable to this security flaw, impacting websites that utilize these outdated versions of the plugin.
Exploitation Mechanism
Exploiting this vulnerability involves high privilege users injecting malicious scripts through certain plugin settings, leading to XSS attacks.
Mitigation and Prevention
Measures to mitigate the risks associated with CVE-2021-24740.
Immediate Steps to Take
Website administrators should update their Tutor LMS plugin to version 1.9.9 or higher to patch the vulnerability and prevent potential XSS attacks.
Long-Term Security Practices
Implementing strict input validation and output escaping practices can help mitigate similar XSS vulnerabilities in plugins and themes.
Patching and Updates
Regularly monitoring for security updates and promptly applying patches for plugins and themes can safeguard websites against known vulnerabilities.