CVE-2023-4547 in eCommerce CMS
Summary
by MITRE • 08/26/2023
A flaw has been found in SPA-Cart eCommerce CMS 1.9.0.3. The affected element is an unknown function of the file /search. This manipulation of the argument filter[brandid]/filter[price] causes cross site scripting. The attack is possible to be carried out remotely. The exploit has been published and may be used. Upgrading to version 1.9.1.4 is sufficient to fix this issue. It is advisable to upgrade the affected component.
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Analysis
by VulDB Data Team • 09/22/2026
The vulnerability identified as CVE-2023-4547 affects SPA-Cart eCommerce CMS version 1.9.0.3 and represents a cross site scripting flaw within the search functionality of the platform. This security weakness resides in the handling of specific URL parameters within the /search endpoint, specifically targeting the filter[brandid] and filter[price] arguments. The vulnerability has been classified as problematic and poses a significant risk to web applications utilizing this particular version of the CMS. The attack vector is remotely exploitable, meaning malicious actors can leverage this flaw without requiring physical access to the target system or network infrastructure.
The technical implementation of this vulnerability stems from insufficient input validation and output sanitization within the CMS's search processing module. When user-supplied parameters containing filter[brandid] and filter[price] are processed through the /search endpoint, the application fails to properly sanitize or escape these inputs before rendering them in the web response. This allows attackers to inject malicious scripts that execute in the context of other users' browsers who view the affected search results. The flaw directly maps to CWE-79, which describes Cross-Site Scripting vulnerabilities where untrusted data is incorporated into web pages without proper validation or escaping mechanisms. The vulnerability's remote exploitability means that attackers can craft malicious URLs containing script payloads that, when visited by unsuspecting users, will execute the injected code in their browser sessions.
The operational impact of this vulnerability extends beyond simple script execution and can potentially enable more sophisticated attacks within the compromised environment. An attacker could leverage this XSS vulnerability to steal session cookies, perform unauthorized transactions, modify product listings, or redirect users to malicious websites. The compromised nature of the search functionality means that any user interaction with search results could potentially trigger the malicious payload, making this vulnerability particularly dangerous in an e-commerce environment where users frequently browse product listings. The vulnerability affects not only the end users but also the business operations and customer trust associated with the platform. According to ATT&CK framework, this vulnerability maps to T1059.001 (Command and Scripting Interpreter: JavaScript) and T1566.001 (Phishing: Spearphishing Attachment) as attackers could use this vulnerability to deliver malicious JavaScript payloads or create more convincing phishing attacks that appear legitimate within the CMS interface.
Mitigation strategies for CVE-2023-4547 should focus on immediate input validation and output sanitization measures within the affected CMS. Organizations should implement proper HTML escaping and context-aware output encoding for all user-supplied parameters, particularly those used in search filtering operations. The recommended approach includes validating all input data against strict whitelists and implementing Content Security Policy headers to limit script execution capabilities. Additionally, upgrading to a patched version of SPA-Cart eCommerce CMS is essential, as this vulnerability likely represents a known issue that has been addressed in subsequent releases. Security teams should also implement web application firewalls with XSS detection capabilities and conduct thorough security testing of all search-related functionality. Regular security audits and input validation reviews should be performed to prevent similar vulnerabilities from emerging in other parts of the application. The vulnerability serves as a reminder of the critical importance of secure coding practices, particularly when handling user inputs in web applications, and aligns with OWASP Top Ten security requirements for preventing XSS attacks through proper input sanitization and output encoding mechanisms.