CVE-2023-47657 in Direct Checkout Plugin
Summary
by MITRE • 11/14/2023
Auth. (ShopManager+) Stored Cross-Site Scripting (XSS) vulnerability in GrandPlugins Direct Checkout – Quick View – Buy Now For WooCommerce plugin <= 1.5.8 versions.
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Analysis
by VulDB Data Team • 12/08/2023
The vulnerability identified as CVE-2023-47657 represents a stored cross-site scripting flaw within the GrandPlugins Direct Checkout – Quick View – Buy Now For WooCommerce plugin, specifically affecting versions up to and including 1.5.8. This security weakness resides in the authentication mechanism of the ShopManager+ component, creating a persistent threat vector that allows malicious actors to inject malicious scripts into the plugin's user interface. The vulnerability occurs when authenticated users with ShopManager+ privileges interact with the plugin's functionality, making it particularly concerning as it leverages legitimate user access rights to execute unauthorized code.
The technical implementation of this XSS vulnerability stems from insufficient input validation and output sanitization within the plugin's data handling processes. When users with ShopManager+ authentication levels submit or modify data through the plugin's interface, the application fails to properly sanitize user-supplied content before storing and rendering it within the web application's response. This allows attackers to embed malicious JavaScript payloads that persist in the database and execute whenever other users view the affected content. The flaw operates as a stored XSS attack because the malicious script is permanently stored on the server and executed against users who access the vulnerable pages, rather than requiring immediate exploitation through a single request.
The operational impact of this vulnerability extends beyond simple script execution, creating potential pathways for more severe security breaches within the targeted WooCommerce environment. Attackers could leverage this vulnerability to steal session cookies, perform unauthorized administrative actions, redirect users to malicious sites, or extract sensitive customer data from the e-commerce platform. The presence of ShopManager+ authentication privileges means that an attacker who gains access to these credentials can potentially escalate their privileges or compromise the entire WooCommerce store's integrity. This vulnerability directly violates the principle of least privilege and creates opportunities for persistent threats within the web application ecosystem.
Mitigation strategies for CVE-2023-47657 should prioritize immediate plugin updates to versions that address the stored XSS vulnerability, following the vendor's security advisory and release notes. Organizations should implement comprehensive input validation and output encoding mechanisms throughout their web applications, particularly focusing on user-supplied content that gets stored and displayed. The implementation of Content Security Policy headers can provide additional defense-in-depth measures against XSS attacks by restricting script execution within the browser environment. Security teams should also conduct regular vulnerability assessments and penetration testing of their e-commerce platforms to identify similar stored XSS vulnerabilities. This vulnerability aligns with CWE-79 which categorizes cross-site scripting flaws, and represents a potential entry point for ATT&CK techniques related to credential access and privilege escalation through web application exploitation.