Learn about CVE-2021-24690 impacting the Chained Quiz WordPress plugin before 1.2.7.2 with a vulnerability allowing authenticated stored Cross Site Scripting attacks. Explore mitigation steps and preventive measures.
The Chained Quiz WordPress plugin before version 1.2.7.2 is vulnerable to an Authenticated Stored Cross Site Scripting (XSS) attack due to improper input sanitization in the plugin's settings.
Understanding CVE-2021-24690
This CVE identifies a security flaw in the Chained Quiz WordPress plugin, making it susceptible to an authenticated stored XSS attack.
What is CVE-2021-24690?
The Chained Quiz plugin version < 1.2.7.2 fails to adequately filter or escape user inputs within the plugin's settings, enabling attackers to inject malicious scripts.
The Impact of CVE-2021-24690
Exploitation of this vulnerability could lead to unauthorized script execution in the context of a logged-in user, potentially compromising sensitive data or performing malicious actions.
Technical Details of CVE-2021-24690
This section delves into the specifics of the vulnerability, affected systems, and exploitation mechanisms.
Vulnerability Description
The issue arises from a lack of proper input validation in the Chained Quiz plugin settings, allowing attackers to inject and execute malicious scripts.
Affected Systems and Versions
Chained Quiz versions prior to 1.2.7.2 are impacted by this vulnerability, exposing websites to the risk of XSS attacks.
Exploitation Mechanism
By exploiting this flaw, threat actors can craft malicious payloads and inject them into the plugin's settings, leading to the execution of unauthorized scripts.
Mitigation and Prevention
To safeguard your systems from CVE-2021-24690, follow these mitigation strategies and security best practices.
Immediate Steps to Take
Update the Chained Quiz plugin to version 1.2.7.2 or newer to patch the vulnerability and prevent exploitation by malicious actors.
Long-Term Security Practices
Regularly monitor for plugin updates and security advisories to promptly address known vulnerabilities and enhance the security posture of your WordPress instance.
Patching and Updates
Stay informed about security patches released by plugin developers and apply updates promptly to mitigate the risk of XSS attacks and other potential security threats.