CVE-2022-4628 : Security Advisory and Response
Learn about CVE-2022-4628 involving a Stored XSS vulnerability in Easy PayPal Buy Now Button plugin < 1.7.4, impacting WordPress websites. Discover impact, technical details, and mitigation steps.
This article provides details about CVE-2022-4628, focusing on the Easy PayPal Buy Now Button plugin vulnerability.
Understanding CVE-2022-4628
CVE-2022-4628 involves a Stored Cross-Site Scripting (XSS) vulnerability in the Easy PayPal Buy Now Button plugin version 1.7.4 and below.
What is CVE-2022-4628?
The Easy PayPal Buy Now Button WordPress plugin before version 1.7.4 fails to validate and escape certain shortcode attributes, potentially enabling users with contributor roles or higher to execute XSS attacks.
The Impact of CVE-2022-4628
This vulnerability could be exploited by malicious contributors or higher-level users to inject harmful scripts into a webpage where the plugin's shortcode is used, leading to unauthorized actions or data theft.
Technical Details of CVE-2022-4628
Vulnerability Description
The issue arises from the plugin's failure to properly sanitize certain shortcode attributes, enabling malicious actors to insert and execute scripts within the rendered page or post content.
Affected Systems and Versions
The Easy PayPal Buy Now Button plugin versions prior to 1.7.4 are impacted by this XSS vulnerability, posing a risk to websites utilizing this specific plugin version.
Exploitation Mechanism
Attackers with contributor privileges or higher can craft a malicious shortcode containing a payload to be executed in unsuspecting users' browsers, potentially leading to unauthorized actions.
Mitigation and Prevention
Immediate Steps to Take
Website administrators are advised to immediately update the Easy PayPal Buy Now Button plugin to version 1.7.4 or higher to mitigate the risk associated with this XSS vulnerability.
Long-Term Security Practices
Regularly monitor security advisories and update all plugins and themes to their latest versions to prevent exploitation of known vulnerabilities.
Patching and Updates
Stay informed about security patches released by plugin developers and apply updates promptly to ensure that your website remains secure.