CVE-2023-43714 in Os Commerce
Summary
by MITRE • 10/25/2023
Os Commerce is currently susceptible to a Cross-Site Scripting (XSS) vulnerability. This vulnerability allows attackers to inject JS through the "SKIP_CART_PAGE_TITLE[1]" parameter,
potentially leading to unauthorized execution of scripts within a user's web browser.
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Analysis
by VulDB Data Team • 10/25/2023
The vulnerability identified as CVE-2023-43714 represents a critical cross-site scripting flaw within the Os Commerce platform that exposes users to significant security risks. This weakness specifically manifests through the "SKIP_CART_PAGE_TITLE[1]" parameter, which serves as an injection vector for malicious javascript code. The vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is classified as a fundamental web application security weakness that allows attackers to execute scripts in the context of other users. The attack surface is particularly concerning as it targets the cart functionality of an e-commerce platform, where users are likely to have active sessions and potentially sensitive transactional data. The vulnerability enables attackers to bypass standard input validation mechanisms and inject malicious payloads that can be executed in the victim's browser context.
The technical implementation of this vulnerability occurs when the application fails to properly sanitize or encode user-supplied input from the "SKIP_CART_PAGE_TITLE[1]" parameter before rendering it within web pages. This failure creates an environment where attacker-controlled javascript code can be seamlessly integrated into the application's response, effectively allowing for session hijacking, credential theft, or redirection to malicious sites. The vulnerability is particularly dangerous because it operates within the shopping cart functionality, a critical component where users typically have established trust relationships with the application. The attack chain involves an attacker crafting malicious javascript payloads that are then injected through this parameter, which are subsequently executed when other users view pages containing the vulnerable content. This represents a classic reflected XSS attack pattern where the malicious code is reflected back to the user's browser through the application's response.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable sophisticated attack vectors that compromise the entire user session and potentially escalate to full system compromise. An attacker could leverage this vulnerability to steal session cookies, redirect users to phishing sites, or inject malware that persists across user interactions. The threat landscape is particularly concerning for e-commerce environments where users may have financial information, personal data, or login credentials stored in their browser. The vulnerability can be exploited through various methods including social engineering campaigns where users are tricked into clicking malicious links, or through automated scanning tools that identify and exploit the vulnerable parameter. The attack can result in unauthorized access to user accounts, data exfiltration, and potential financial loss through fraudulent transactions. This vulnerability directly maps to several ATT&CK techniques including T1531 for credential access and T1071.001 for application layer protocol usage, making it a significant concern for organizations implementing security controls.
Mitigation strategies for CVE-2023-43714 should prioritize immediate input validation and output encoding measures that prevent javascript execution within user-supplied parameters. Organizations should implement comprehensive parameter sanitization that removes or encodes dangerous characters before processing user input, particularly for parameters that are rendered in web pages. The solution involves implementing strict content security policies that prevent execution of inline scripts and enforcing proper encoding of all user-supplied data in the application's response. Security teams should deploy web application firewalls that can detect and block malicious payloads targeting this specific parameter. Regular security testing including automated scanning and manual penetration testing should be conducted to identify similar vulnerabilities in other input parameters. Additionally, implementing proper input length validation and implementing the principle of least privilege for user sessions can reduce the potential impact of successful exploitation. Organizations should also establish incident response procedures that can quickly address exploitation attempts and implement proper monitoring for suspicious activities related to the vulnerable parameter. The remediation process requires thorough code review to ensure that all parameters are properly validated and that the application follows secure coding practices that prevent similar vulnerabilities from occurring in other parts of the codebase.