Description
The WooCommerce plugin for WordPress is vulnerable to PostMessage-Based Cross-Site Scripting via the 'customize-store' page in all versions up to, and including, 9.4.2 due to insufficient input sanitization and output escaping on PostMessage data. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
Problem types
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Product status
Any version
9.4 (semver)
Timeline
| 2025-12-03: | Vendor Notified |
| 2025-05-21: | Disclosed |
Credits
Antonio Rocco Spataro
References
www.wordfence.com/...-eeb8-4134-8f3f-b411e56457f0?source=cve
github.com/...e/client/admin/client/customize-store/utils.js
developer.woocommerce.com/...oocommerce-9-3-4-available-now/
github.com/woocommerce/woocommerce/pull/53405/files