Vulnerability 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 Score
MEDIUM
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/woo-custom-product-addons/tags/3.1.8/
- https://plugins.trac.wordpress.org/browser/woo-custom-product-addons/tags/3.1.8/
- https://plugins.trac.wordpress.org/browser/woo-custom-product-addons/tags/3.1.8/
- https://plugins.trac.wordpress.org/browser/woo-custom-product-addons/tags/3.1.8/
- https://plugins.trac.wordpress.org/browser/woo-custom-product-addons/tags/3.1.8/
- https://plugins.trac.wordpress.org/changeset/3756829/woo-custom-product-addons/t
- https://wordpress.org/plugins/woo-custom-product-addons/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/99c24e6f-396a-45bd-b16
FAQ
What is CVE-2026-109988?
CVE-2026-109988 is a vulnerability with a CVSS score of 4.4 (MEDIUM). 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...
How severe is CVE-2026-109988?
CVE-2026-109988 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-109988?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.