Price by Quantity & Bulk Quantity Discounts for WooCommerce Security & Risk Analysis

The "wholesale-pricing-woocommerce" v4.0.5 plugin exhibits a generally good security posture based on the static analysis. The absence of vulnerable AJAX handlers, REST API routes, cron events, and file operations significantly limits its attack surface. Furthermore, the code demonstrates a strong commitment to security with a high percentage of properly escaped outputs, presence of nonce checks, and capability checks, which are crucial for preventing unauthorized actions and XSS vulnerabilities. The taint analysis also shows no critical or high severity issues, indicating a lack of exploitable data flow vulnerabilities.

However, a notable concern arises from the SQL queries. While there is only one SQL query in total, it is not using prepared statements. This represents a potential risk for SQL injection, especially if the input used in this query is not rigorously sanitized, which the taint analysis did not fully cover. The plugin also has a history of known CVEs, specifically medium severity Cross-site Scripting vulnerabilities, even though none are currently unpatched. This historical pattern suggests a recurring weakness that, while addressed, warrants continued vigilance. The plugin's last reported vulnerability was in early 2025, indicating a recent but now patched issue.

In conclusion, the plugin is well-defended against common web vulnerabilities like XSS and unauthorized access due to its robust input sanitization and authentication checks. The primary area for improvement lies in the secure handling of SQL queries. While the historical vulnerability data shows that past issues have been addressed, it also serves as a reminder that the plugin has had exploitable flaws, and ongoing maintenance and auditing are essential to maintain a strong security posture.