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    CVE-2026-3891

    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.

    Published:Mar 13, 2026
    Last Modified:Apr 22, 2026
    EPS:Mar 13, 2026
    EPSS Score:0.00079
    CVSS Score:9.8

    Affected Products

    Vendor
    Linknacional
    Product
    Pix For Woocommerce
    Vendor
    Wordpress
    Product
    Wordpress

    Exploits

    https://www.exploit-db.com/exploits/52642https://github.com/AnggaTechI/Mass-Scanner-CVE-2026-3891https://github.com/Ch4120N/CVE-2026-3891https://github.com/joshuavanderpoll/CVE-2026-3891https://github.com/katranSefa/CVE-2026-3891https://github.com/m4sh-wacker/CVE-2026-3891-Pix-for-WooCommerce-Plugin-Exploithttps://github.com/Nxploited/CVE-2026-3891https://github.com/shinthink/CVE-2026-3891https://github.com/VeronnX666/CVE-2026-3891https://github.com/willygailo/CVE-2026-3891-Linux

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High