CVE-2022-4673 : Security Advisory and Response
Discover how CVE-2022-4673 affects Rate my Post < 3.3.9 plugin, allowing contributors to execute Stored XSS attacks. Learn mitigation steps and prevention measures.
Rate my Post – WP Rating System < 3.3.9 - Contributor+ Stored XSS via Shortcode
Understanding CVE-2022-4673
This CVE describes a vulnerability in the Rate my Post WordPress plugin before version 3.3.9 that could allow users with a role as low as contributor to exploit Stored Cross-Site Scripting via shortcode.
What is CVE-2022-4673?
The Rate my Post WordPress plugin before version 3.3.9 lacks proper validation and escaping of one of its shortcode attributes, leaving it vulnerable to Stored Cross-Site Scripting attacks by contributors.
The Impact of CVE-2022-4673
This vulnerability could be exploited by malicious contributors to inject and execute unauthorized scripts on the affected WordPress site, potentially leading to various security risks and unauthorized actions.
Technical Details of CVE-2022-4673
Vulnerability Description
The vulnerability in the Rate my Post plugin allows contributors (or users with a similar role) to perform Stored Cross-Site Scripting attacks by manipulating a specific shortcode attribute.
Affected Systems and Versions
The affected system is the WordPress site using the Rate my Post plugin with a version lower than 3.3.9. Users with a role as low as contributor are able to exploit this vulnerability.
Exploitation Mechanism
By leveraging the lack of proper validation and escaping in one of the plugin's shortcode attributes, malicious contributors can inject and execute harmful scripts on the WordPress site.
Mitigation and Prevention
Immediate Steps to Take
Users are advised to update the Rate my Post plugin to version 3.3.9 or later to mitigate the risk of exploitation. It is also recommended to restrict the permissions of contributors to reduce the likelihood of unauthorized actions.
Long-Term Security Practices
To enhance the overall security posture of WordPress sites, it is essential to regularly update plugins and themes, implement least privilege access controls, and educate users about secure coding practices.
Patching and Updates
Regularly check for plugin updates and apply patches as soon as they are available to address known vulnerabilities and protect the WordPress site from potential security threats.