CVE-2023-43730 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 "countries_name[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-2023-43730 represents a critical cross-site scripting flaw within the Os Commerce platform that exposes users to significant security risks. This vulnerability specifically manifests through the "countries_name[1]" parameter, which serves as an injection vector for malicious javascript code. The flaw exists in the application's input validation mechanisms, where user-supplied data is not properly sanitized before being processed and rendered within the web interface. This weakness enables attackers to execute unauthorized scripts within the context of a victim's browser session, potentially compromising user data and system integrity.
The technical implementation of this XSS vulnerability stems from inadequate parameter handling within the Os Commerce framework's backend processing logic. When the application receives input through the "countries_name[1]" parameter, it fails to properly escape or validate the content before incorporating it into dynamic web pages. This allows malicious actors to craft payloads that, when executed, can perform actions such as stealing session cookies, redirecting users to malicious sites, or injecting additional malicious code into the user's browsing environment. The vulnerability falls under CWE-79 which specifically addresses cross-site scripting flaws in web applications. The attack vector operates through the standard XSS exploitation techniques where the injected javascript executes within the victim's browser context, leveraging the trust relationship between the user and the vulnerable application.
The operational impact of CVE-2023-43730 extends beyond simple script execution to encompass potential data breaches, session hijacking, and further exploitation opportunities. An attacker who successfully exploits this vulnerability can gain access to sensitive user information, including personal data, authentication tokens, and potentially administrative privileges if the targeted user holds elevated roles within the Os Commerce system. The vulnerability creates a persistent threat vector that can be exploited across multiple user sessions, making it particularly dangerous for e-commerce platforms where user authentication and transaction data are regularly processed. This flaw directly aligns with ATT&CK technique T1531 which focuses on credential access through the exploitation of web application vulnerabilities, and T1059 which addresses the execution of malicious code through scripting languages.
Mitigation strategies for this vulnerability require immediate implementation of input validation and output encoding measures within the Os Commerce platform. The primary remediation involves sanitizing all user-supplied input through the "countries_name[1]" parameter using proper HTML entity encoding and implementing Content Security Policy headers to restrict script execution. Organizations should also deploy web application firewalls to detect and block malicious payloads attempting to exploit this vulnerability. Regular security audits and penetration testing should be conducted to identify similar input validation weaknesses throughout the application codebase. Additionally, the platform should implement proper parameter validation routines that reject or sanitize any input containing potentially malicious javascript code. The remediation process should include updating the Os Commerce framework to the latest version that contains patches for this specific vulnerability, as well as implementing comprehensive logging and monitoring to detect suspicious activities related to this exploit. Organizations should also consider implementing multi-factor authentication and session management improvements to reduce the potential impact of successful exploitation attempts.