CVE-2026-109988
Product Addons for Woocommerce <= 3.1.8 - Authenticated (Shop Manager+) Stored Cross-Site Scripting via 'type' Field Parameter
CVSS Score
4.4
EPSS Score
0.2%
EPSS Percentile
11th
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.
| CWE | CWE-79 |
| Vendor | acowebs |
| Product | product addons for woocommerce – product options with custom fields |
| Published | Oct 28, 2026 |
| Last Updated | Oct 29, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
acowebs / Product Addons for Woocommerce – Product Options with Custom Fields
0 ≤ 3.1.8
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/99c24e6f-396a-45bd-b16e-cb3b30aff25c?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/woo-custom-product-addons/tags/3.1.8/templates/cart/cart-item-data.php#L14 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/woo-custom-product-addons/tags/3.1.8/includes/backend/api.php#L237 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/woo-custom-product-addons/tags/3.1.8/includes/helper.php#L284 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/woo-custom-product-addons/tags/3.1.8/includes/process/process.php#L262 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/woo-custom-product-addons/tags/3.1.8/includes/process/cart.php#L109 wordpress.org: https://wordpress.org/plugins/woo-custom-product-addons/ plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3756829/woo-custom-product-addons/trunk/templates/cart/cart-item-data.php
Credits
Wordfence PRISM