CVE-2026-3891

| EUVD-2026-11760 CRITICAL
2026-03-13 Wordfence
9.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 13, 2026 - 07:58 vuln.today
EUVD ID Assigned
Mar 13, 2026 - 07:58 euvd
EUVD-2026-11760
CVE Published
Mar 13, 2026 - 07:23 nvd
CRITICAL 9.8

Tags

File Upload RCE WordPress Pix For Woocommerce

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.

Analysis

Arbitrary file upload in Pix for WooCommerce WordPress plugin.

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Remediation

Within 24 hours: Audit all WordPress installations for Pix for WooCommerce plugin presence and version; immediately disable the plugin if found until mitigation is confirmed. Within 7 days: Implement compensating controls listed below, review access logs for unauthorized file uploads, and prepare incident response plan. …

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Priority Score

49
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +49
POC: 0

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CVE-2026-3891 vulnerability details – vuln.today
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