CVE-2025-3814: Tax Switch for WooCommerce <= 1.4.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via class-name Parameter
Description
The Tax Switch for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘class-name’ parameter in all versions up to, and including, 1.4.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Classification
CVE ID: CVE-2025-3814
CVSS Base Severity: MEDIUM
CVSS Base Score: 6.4
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Problem Types
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Affected Products
Vendor: wijnbergdevelopments
Product: Tax Switch for WooCommerce
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.03% (probability of being exploited)
EPSS Percentile: 8.48% (scored less or equal to compared to others)
EPSS Date: 2025-05-21 (when was this score calculated)
References
https://nvd.nist.gov/vuln/detail/CVE-2025-3814https://www.wordfence.com/threat-intel/vulnerabilities/id/e290f1aa-d20a-4e76-b77b-3e5b79e9d379?source=cve
https://wordpress.org/plugins/tax-switch-for-woocommerce/#developers
https://plugins.trac.wordpress.org/browser/tax-switch-for-woocommerce/tags/1.4.0/includes/class-wdevs-tax-switch-block.php#L112
https://plugins.trac.wordpress.org/changeset/3277044/