CVE-2026-1826

Name of the Vulnerable Software and Affected Versions OpenPOS Lite – Point of Sale for WooCommerce plugin for WordPress versions up to and including 3.0

Description The software is susceptible to Stored Cross-Site Scripting through the width parameter of the order qrcode shortcode. Insufficient input sanitization and output escaping allow authenticated attackers with Contributor-level access or higher to inject arbitrary web scripts into pages. These scripts will execute when a user accesses the injected page. The API endpoint involved is the order qrcode shortcode. The vulnerable parameter is width.

Recommendations Versions prior to 3.1 should be updated.