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CVE-2026-97660

7.2 · HIGH

The WPC Product Options for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via wpcpo-* Array Key via Multipart Field Name in all versions up to, and including, 4.0.5…

Published Oct 3, 2026CWE-79EPSS 0.29%

Overview

CVE-2026-97660 is a high-severity vulnerability. It was published on October 3, 2026 and has a CVSS 3.1 base score of 7.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The WPC Product Options for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via wpcpo-* Array Key via Multipart Field Name in all versions up to, and including, 4.0.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This is exploitable via guest checkout without authentication because the malicious payload is embedded in a multipart Content-Disposition field name beginning with 'wpcpo-', which PHP's RFC1867 parser preserves byte-for-byte and stores into order item meta.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refplugins.trac.wordpress.org/browser/wpc-product-options/tags/4.0.5/includes/class-cart.php#L336Refplugins.trac.wordpress.org/browser/wpc-product-options/tags/4.0.5/includes/class-cart.php#L537Refplugins.trac.wordpress.org/browser/wpc-product-options/tags/4.0.5/includes/class-cart.php#L573Refplugins.trac.wordpress.org/browser/wpc-product-options/tags/4.0.5/includes/class-cart.php#L579Refplugins.trac.wordpress.org/browser/wpc-product-options/tags/4.0.5/includes/class-cart.php#L792Refplugins.trac.wordpress.org/changeset?reponame=&old=3712354%40wpc-product-options&new=3712354%40wpc-product-optionsRefwww.wordfence.com/threat-intel/vulnerabilities/id/13a52c43-c14c-4322-9191-297e6c647d92?source=cve

How CyberStrike helps

Frequently asked questions

What is CVE-2026-97660?

CVE-2026-97660 is a high-severity vulnerability. It was published on October 3, 2026 and has a CVSS 3.1 base score of 7.2 (HIGH).

How severe is CVE-2026-97660?

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-97660?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-97660?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-97660 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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