CVE-2020-36841 MEDIUM

CVE-2020-36841: WooCommerce Smart Coupons <= 4.6.0 - Unauthenticated Coupon Creation

Vendor Woocommerce
Product WooCommerce Smart Coupons
Weakness CWE-285
Published October 16, 2024
Last update April 8, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

The WooCommerce Smart Coupons plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the woocommerce_coupon_admin_init function in versions up to, and including, 4.6.0. This makes it possible for unauthenticated attackers to send themselves gift certificates of any value, which could be redeemed for products sold on the victim’s storefront.

Explanation of Vulnerability in Simple Terms

02Summary

WooCommerce Smart Coupons versions before 4.6.5 contain an authorization flaw that allows unauthenticated attackers to modify coupon data over the network. The vulnerability requires no user interaction and affects the integrity of coupon records. Site administrators should update to version 4.6.5 or later immediately.

What an attacker can do

03Attacker Capabilities

Modify coupon data without authentication.

Potential impact on your site

04Site Impact

Attackers can alter coupon terms, discounts, or validity without logging in, affecting sales and customer trust.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

October 16, 2024 CVE published
April 8, 2026 Record updated

Related vulnerabilities

08Related CVE