{"id":"CVE-2026-109988","aliases":[],"title":"Product Addons for Woocommerce <= 3.1.8 - Authenticated (Shop Manager+) Stored Cross-Site Scripting via 'type' Field Parameter","titleSource":"Wordfence","descriptionSource":"Wordfence","products":[{"vendor":"acowebs","name":"Product Addons for Woocommerce – Product Options with Custom Fields","platforms":[],"versions":[{"version":"0","status":"affected","lessThanOrEqual":"3.1.8","versionType":"semver"}],"defaultStatus":"unaffected","source":"Wordfence","url":"https://www.cve.org/CVERecord?id=CVE-2026-109988"}],"remediation":[],"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page.","severity":"medium","score":4.4,"published":"2026-10-28T06:45:17.956Z","modified":"2026-10-28T06:45:17.956Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/99c24e6f-396a-45bd-b16e-cb3b30aff25c?source=cve","https://plugins.trac.wordpress.org/browser/woo-custom-product-addons/tags/3.1.8/templates/cart/cart-item-data.php#L14","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/process.php#L262","https://plugins.trac.wordpress.org/browser/woo-custom-product-addons/tags/3.1.8/includes/process/cart.php#L109","https://wordpress.org/plugins/woo-custom-product-addons/","https://plugins.trac.wordpress.org/changeset/3756829/woo-custom-product-addons/trunk/templates/cart/cart-item-data.php"],"sources":[{"name":"CVE","id":"CVE-2026-109988","modified":"2026-10-28T06:45:17.956Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-109988"}],"assessments":[{"source":"Wordfence","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","score":4.4}],"sourceAffected":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T19:55:31.817Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-28T09:35:31.347Z","attemptedAt":"2026-10-28T09:35:31.347Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-28T09:35:31.272Z","attemptedAt":"2026-10-28T09:35:31.272Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-28T09:35:31.350Z","attemptedAt":"2026-10-28T09:35:31.350Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-10-28T09:35:31.347Z","attemptedAt":"2026-10-28T09:35:31.347Z"}],"evidence":[{"source":"GitHub Advisory Database","id":"GHSA-xqcg-xmfg-qf64","url":"https://github.com/advisories/GHSA-xqcg-xmfg-qf64","modified":"2026-10-28T09:32:03Z","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","checkedAt":"2026-10-28T09:35:31.272Z"},{"source":"NVD","id":"CVE-2026-109988","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109988","modified":"2026-10-28T07:16:45.747","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","checkedAt":"2026-10-28T09:35:31.347Z"},{"source":"ENISA EUVD","id":"EUVD-2026-111604","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-111604","modified":"Oct 28, 2026, 6:45:17 AM","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","checkedAt":"2026-10-28T09:35:31.350Z"}]}