CVE-2023-33318 CRITICAL

CVE-2023-33318: WordPress WooCommerce Follow-Up Emails Plugin <= 4.9.40 is vulnerable to Arbitrary File Upload

Vendor Woocommerce

Product AutomateWoo

Weakness CWE-434 · Unrestricted file upload

Published December 20, 2023

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

9.9/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality High

Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

Unrestricted Upload of File with Dangerous Type vulnerability in WooCommerce AutomateWoo.This issue affects AutomateWoo: from n/a through 4.9.40.

Explanation of Vulnerability in Simple Terms

02Summary

AutomateWoo versions up to 4.9.40 allow authenticated users with low privileges to upload files without proper validation. An attacker can upload malicious files to compromise the site, read sensitive data, or disrupt service. The vulnerability affects the entire site because uploaded files can be executed or accessed by other users.

What an attacker can do

03Attacker Capabilities

Upload malicious files to run code, steal data, or disable the site.

Potential impact on your site

04Site Impact

Attackers with basic user accounts can upload and execute code, potentially taking over your site or stealing customer data.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account (e.g., subscriber or customer role) on the site.

Key dates

06Disclosure timeline

December 20, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-33318 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/434.html AskarLabs — CWE-434 write-up Unrestricted Upload of File with Dangerous Type

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