{"cve":"CVE-2026-109988","nvd":{"published":"2026-10-28T07:16:45.747","modified":"2026-10-28T07:16:45.747","status":"Received","description":"The Product Addons for Woocommerce – Product Options with Custom Fields plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'fields[section][fields][row][col][type]' parameter in all versions up to, and including, 3.1.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with shop manager-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","score":4.4},"cwes":["CWE-79"],"references":["https://plugins.trac.wordpress.org/browser/woo-custom-product-addons/tags/3.1.8/includes/backend/api.php#L237","https://plugins.trac.wordpress.org/browser/woo-custom-product-addons/tags/3.1.8/includes/helper.php#L284","https://plugins.trac.wordpress.org/browser/woo-custom-product-addons/tags/3.1.8/includes/process/cart.php#L109","https://plugins.trac.wordpress.org/browser/woo-custom-product-addons/tags/3.1.8/includes/process/process.php#L262","https://plugins.trac.wordpress.org/browser/woo-custom-product-addons/tags/3.1.8/templates/cart/cart-item-data.php#L14"],"products":[],"source":"nvd","synced_at":"2026-10-28T07:37:43.411221249+00:00"},"epss":null,"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}