WordPress CURCY - Multi Currency for WooCommerce Cross-Site Scripting Scanner

WordPress CURCY - Multi Currency for WooCommerce is a widely used plugin by e-commerce websites running on the WordPress platform. It enables users to switch currencies conveniently and is particularly beneficial for businesses operating in multiple countries. Small to medium-sized businesses leverage this plugin to cater to an international customer base by offering localized currency selections. Developers and site administrators generally set up this plugin for smooth integration with WooCommerce. Its ease of use and customization capabilities make it popular among both novice and expert users dealing with e-commerce setups. However, like any third-party plugin, it requires regular updates and monitoring to mitigate security risks.

The Cross-Site Scripting (XSS) vulnerability allows attackers to inject malicious scripts into web pages viewed by other users. This particular vulnerability in the CURCY plugin occurs due to insufficient escaping of certain URLs. Malicious scripts can be executed in the context of the user's browser, potentially leading to unauthorized actions. XSS vulnerabilities are problematic as they can lead to data theft, session hijacking, and redirection to malicious sites. This vulnerability exploits weaknesses in web security, typically via user input fields not being properly sanitized or escaped. It poses significant risks to user trust and data integrity.

Technical details about the XSS vulnerability reveal that the issue lies in how the plugin handles generated URLs. Certain URLs are not escaped before being output in attributes, which allows for the execution of arbitrary scripts. The affected URLs are typically part of the admin interface, making them a target for authenticated users attempting privilege escalation. Parameters and endpoints related to WooCommerce reports are crucial targets due to the vulnerability's placement. This flaw can be exploited by an attacker who has logging credentials or can trick authenticated users into performing actions on behalf of the attacker. Proper validation and escaping of these URLs are essential to mitigate this issue.

When exploited, this XSS vulnerability can lead to various negative consequences. Users might unsuspectingly download malware or be redirected to phishing sites. Attackers could steal cookies or session tokens, potentially taking over the victim's session. This can result in unauthorized actions on the website, like changing user account settings or accessing confidential information. The presence of such vulnerabilities can diminish user trust and lead to bad reputation consequences for the affected site. Users might also experience an invasion of privacy and unauthorized data manipulation.

REFERENCES

• https://wpscan.com/vulnerability/6ebafb52-e167-40bc-a86c-b9840b2b9b37
• https://wordpress.org/plugins/woo-multi-currency