eCommerce Product Catalog <= 3.6.4 - Unauthenticated Reflected Cross-Site Scripting via 'ic-search-keyword' esc_html Filter Bypass
- ID
- WPSEC-2026-1506
- Plugin
- eCommerce Product Catalog (ecommerce-product-catalog)
- Affected
- from 3.0.50 before 3.6.5
- Remediation
- Update to 3.6.5 or later.
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weakness
- CWE-79
- Usage
- Plugin Low · Affected versions Low among sites WPSec scans, 2026-10-23
- Attack surface
- eCommerce Product Catalog on WPSec AttackSurface
- Fix released
- Published
Description
The eCommerce Product Catalog plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'ic-search-keyword' esc_html filter bypass in all versions up to, and including, 3.6.4, due to the plugin hooking the global 'esc_html' filter and returning the original, unescaped text whenever it contains the string 'ic-search-keyword'. This turns off esc_html() escaping across the whole site, in WordPress core and in other plugins and themes, for any attacker-supplied value that contains that string. This makes it possible for unauthenticated attackers to inject arbitrary web scripts into pages that execute if they can trick a user, such as an administrator, into performing an action such as clicking on a link.
References
- https://wpsec.com/vuln/WPSEC-2026-1506/
- https://plugins.svn.wordpress.org/ecommerce-product-catalog/tags/3.6.5/
- https://wordpress.org/plugins/ecommerce-product-catalog/
Published by WPSec. Provided as is, without warranty. Corrections: contact us.
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