A High Severity Cross-Site Scripting (XSS) vulnerability has been identified in the User Feedback Plugin. The XSS vulnerability discovered by Revan Arifio poses a substantial threat to the security of the WordPress website. Cross-Site Scripting allows malicious actors to inject harmful scripts, including redirects, advertisements, and other malicious payloads, into the website. When unsuspecting visitors access the site, these scripts can execute, potentially leading to data theft, unauthorized access, or other detrimental actions.
The vulnerability is an XSS vulnerability that occurs in the user-feedback.php file. The vulnerability allows an attacker to exploit a flaw in the way that the plugin handles user input to inject malicious scripts into the website.
The vulnerability has a CVSS 3.1 score of 7.1, which is considered to be high. This means that the vulnerability is likely to be exploited and could have a significant impact on the affected system.
The vulnerability affects all versions of the User Feedback plugin prior to 1.0.8.
An attacker who successfully exploits this vulnerability could:
- Inject malicious scripts into your website, which could allow them to:
- Steal user information, such as cookies, session tokens, and passwords.
- Redirect users to malicious websites.
- Display malicious content on your website.
- Take control of user accounts.
To protect the WordPress website effectively, please follow these recommendations:
- Update the Plugin: Immediately update the User Feedback Plugin to the latest available version, at least version 1.0.8. This update contains the critical security fix required to address the XSS vulnerability.
- Regularly Update Plugins: Make it a standard practice to regularly update all WordPress plugins and themes to their latest versions. Regular updates are vital for maintaining the security of the website.
- Security Audits: Consider conducting regular security audits or using security plugins to scan for vulnerabilities in WordPress installation. This proactive approach helps identify and address potential security risks before they can be exploited.
- Backup Your Website: Regularly back up your website, including its database and files. In the event of a security incident, having up-to-date backups can be invaluable for restoring the site.