CVE-2023-43717 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 "MSEARCH_HIGHLIGHT_ENABLE_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-2023-43717 represents a critical cross-site scripting weakness within the Os Commerce platform that exposes end users to potential malicious code execution. This flaw resides in the application's parameter handling mechanism where the "MSEARCH_HIGHLIGHT_ENABLE_TITLE[1]" input field fails to properly sanitize user-supplied data before processing. The vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is classified as a fundamental web application security flaw that allows attackers to inject malicious scripts into web pages viewed by other users. The specific nature of this vulnerability aligns with CWE-79's definition of stored XSS when the malicious payload persists in the application's database or configuration files.
The technical exploitation of this vulnerability occurs when an attacker crafts malicious JavaScript code and submits it through the vulnerable parameter. The application processes this input without adequate validation or sanitization, allowing the injected script to be executed within the victim's browser context. This creates a persistent threat where any user accessing pages that utilize the affected search functionality could unknowingly execute the malicious code. The vulnerability's impact is particularly concerning because it operates at the user interaction level, meaning that successful exploitation could lead to session hijacking, credential theft, or redirection to malicious websites. According to ATT&CK framework's T1531 technique for credential access, this vulnerability could enable attackers to harvest session cookies or other authentication tokens, while T1059.007 covers the execution of malicious scripts through command-line interfaces.
The operational consequences of CVE-2023-43717 extend beyond simple script execution to encompass broader security implications for e-commerce platforms. When attackers successfully exploit this vulnerability, they can manipulate the user's browsing experience, potentially redirecting customers to phishing sites or injecting advertisements that generate revenue for the attacker. The vulnerability's persistence in the application's search highlighting functionality means that the malicious code could affect multiple users over extended periods, making it particularly dangerous for online retailers. Organizations using Os Commerce may experience reputational damage, customer trust erosion, and potential regulatory compliance violations if user data is compromised through this vector. The vulnerability's exploitation requires minimal technical skill, making it attractive to both skilled and amateur attackers, which increases the overall risk profile for affected systems.
Mitigation strategies for CVE-2023-43717 should prioritize immediate input validation and output encoding measures to prevent malicious scripts from being executed. Organizations should implement comprehensive parameter sanitization that removes or encodes potentially dangerous characters such as angle brackets, quotes, and script tags before processing user input. The recommended approach includes applying proper HTML entity encoding to all output data, particularly when displaying user-generated content in search results or configuration screens. Security teams should also consider implementing Content Security Policy (CSP) headers to restrict script execution and prevent unauthorized code injection. Additionally, regular security audits and automated vulnerability scanning should be conducted to identify similar weaknesses in other parameters or application components. According to industry best practices, organizations should also establish secure coding guidelines that emphasize input validation and output encoding as fundamental security controls, aligning with NIST SP 800-160 standards for secure software development practices. The remediation process should include thorough testing of all parameter handling mechanisms to ensure that similar vulnerabilities do not exist in other parts of the application codebase.