Critical severity9.8NVD Advisory· Published Mar 13, 2026· Updated Apr 22, 2026
CVE-2026-3891
CVE-2026-3891
Description
The Pix for WooCommerce plugin for WordPress is vulnerable to arbitrary file uploads due to missing capability check and missing file type validation in the 'lkn_pix_for_woocommerce_c6_save_settings' function in all versions up to, and including, 1.5.0. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: <=1.5.0
Patches
Vulnerability mechanics
References
3- plugins.trac.wordpress.org/browser/payment-gateway-pix-for-woocommerce/tags/1.4.0/Includes/LknPaymentPixForWoocommercePixC6.phpnvd
- plugins.trac.wordpress.org/changeset/3480639/payment-gateway-pix-for-woocommercenvd
- www.wordfence.com/threat-intel/vulnerabilities/id/20188fd3-c330-4c76-912b-72731e14c450nvd
News mentions
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