Stored Cross-Site Scripting Vulnerability in OpenPOS Lite for WooCommerce by WordPress

CVE-2026-1826

What is CVE-2026-1826?

The OpenPOS Lite – Point of Sale for WooCommerce plugin for WordPress allows for stored cross-site scripting due to inadequate input sanitization and output escaping in the 'width' parameter of the order_qrcode shortcode. This vulnerability affects all versions up to and including 3.0. Authenticated users with Contributor-level access or higher can exploit this by injecting malicious scripts, which will execute when other users access the compromised page, leading to potential security breaches and data compromise.

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References