Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The Advanced Product Labels for WooCommerce WordPress plugin before 184.108.40.206 does not sanitise and escape the tax_color_set_type parameter before outputting it back in the berocket_apl_color_listener AJAX action's response, leading to a Reflected Cross-Site Scripting
CWE-79 - Cross Site Scripting
Cross-Site Scripting, commonly referred to as XSS, is the most dominant class of vulnerabilities. It allows an attacker to inject malicious code into a pregnable web application and victimize its users. The exploitation of such a weakness can cause severe issues such as account takeover, and sensitive data exfiltration. Because of the prevalence of XSS vulnerabilities and their high rate of exploitation, it has remained in the OWASP top 10 vulnerabilities for years.