CVE-2026-109988
Product Addons for Woocommerce <= 3.1.8 - Authenticated (Shop Manager+) Stored Cross-Site Scripting via 'type' Field Parameter
- State
- Published
- Severity
- 4.4 Medium
- Published
- Oct 28, 2026
- Updated
- Oct 29, 2026
- Reserved
- Oct 13, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.4 Medium | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N | Wordfence |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
Product Addons for Woocommerce – Product Options with Custom Fieldsacowebs |
|
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
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