CNVD-2011-6208 Scanner

WordPress is a widely used blogging platform that allows users to create and manage blogs on servers equipped with PHP and MySQL support. It serves a vast audience ranging from personal bloggers to large enterprises looking for a robust content management system. The WordPress eShop Plugin, specifically, adds e-commerce functionalities to WordPress websites, enabling businesses to sell products online seamlessly. Its ease of use and comprehensive features make it a popular choice for small to medium-sized online stores. Users can customize their online store with various themes and extensions, enhancing the functionality and aesthetic appeal. The platform's extensive community provides continuous support and development, making it adaptable to evolving user needs.

Cross-Site Scripting (XSS) is a form of security vulnerability that allows attackers to inject malicious scripts into websites, executed in the browsers of unsuspecting users. In this context, the vulnerability arises from insufficient input filtering in the WordPress eShop Plugin, particularly the user-provided inputs. This vulnerability can be exploited by attackers to execute arbitrary scripts, potentially leading to data theft, session hijacking, or unauthorized actions performed on behalf of the user. Successful exploitation results in the compromise of sensitive information and disruption of normal user interaction with the site. By targeting vulnerable endpoints, attackers can manipulate the content rendered in user browsers, endangering both user data and website integrity. The XSS vulnerabilities in this plugin highlight the critical need for robust input validation and output encoding practices.

The identified vulnerabilities occur in specific endpoints, particularly within the WordPress eShop Plugin's administrative pages. Attackers can craft URLs containing embedded script tags that exploit these vulnerabilities when accessed by users with appropriate permissions. The lack of effective input filtering and output encoding means that attackers can inject JavaScript payloads via GET requests to these endpoints. These payloads are executed in the context of the user's session, often without their knowledge or consent. As demonstrated in the provided proof-of-concept paths, the plugin fails to properly sanitize user inputs on the 'eshop-templates.php' and 'eshop-orders.php' pages. Consequently, injected script tags lead to the execution of malicious code, posing significant security risks to affected websites and their users.

Exploiting this vulnerability can allow attackers to perform a variety of malicious actions, including stealing cookie-based authentication credentials and session tokens. This can lead to unauthorized access to user accounts, bringing about data breaches and unauthorized transactions within affected e-commerce sites. Attackers could also conduct phishing attacks by manipulating the displayed content to deceive users into providing personal information. Furthermore, the exploitation could damage the reputation of the website owner, leading to loss of trust and a decrease in user engagement. Protecting against such vulnerabilities is crucial to maintaining user data confidentiality and the integrity of website operations.

REFERENCES

• http://wordpress.org/extend/plugins/eshop/