WPQR QR-Code Generator Security & Risk Analysis

The wpqr-qr-code plugin exhibits a mixed security posture. On the positive side, the plugin has no recorded vulnerabilities (CVEs) and utilizes prepared statements for all SQL queries, which is a significant strength. The absence of file operations and external HTTP requests also reduces potential attack vectors. However, a critical concern arises from the static analysis revealing that 100% of the 51 output operations are not properly escaped. This opens the door to potential Cross-Site Scripting (XSS) vulnerabilities, where malicious scripts could be injected and executed in the user's browser. Additionally, the taint analysis indicates a flow with an unsanitized path, which, although not classified as critical or high severity in this report, warrants attention as it signifies a potential data leakage or manipulation risk. The lack of nonce checks and capability checks on its single shortcode entry point is another area of concern, as it doesn't prevent unauthorized users from potentially triggering its functionality.