Product Addons for Woocommerce <= 3.1.8 - Authenticated (Shop Manager+) Stored Cross-Site Scripting via 'type' Field Parameter

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-109988
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-28 07:16:45 UTC
Updated2026-10-29 02:16:47 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 4.4 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

EPSS: 0.002080000 probability, percentile 0.108710000 (date 2026-10-28)

Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.4MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
3.1CNADECLARED4.4MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Acowebs Product Addons For Woocommerce Product Options With Custom Fields affected 3.1.8 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/woo-custom-product-addons/tags/3.1.8/includes/process... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/woo-custom-product-addons/tags/3.1.8/includes/backend... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/woo-custom-product-addons/tags/3.1.8/templates/cart/c... [email protected] plugins.trac.wordpress.org
wordpress.org/plugins/woo-custom-product-addons [email protected] wordpress.org
plugins.trac.wordpress.org/browser/woo-custom-product-addons/tags/3.1.8/includes/process... [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/99c24e6f-396a-45bd-b16e-cb3b3... [email protected] www.wordfence.com
plugins.trac.wordpress.org/changeset/3756829/woo-custom-product-addons/trunk/templates/c... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/woo-custom-product-addons/tags/3.1.8/includes/helper.php [email protected] plugins.trac.wordpress.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Wordfence PRISM (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-10-13T12:47:52.000ZVendor Notified
CNA2026-10-27T17:50:33.000ZDisclosed

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