CVE-2026-45438 HIGH

CVE-2026-45438: WordPress Smart Coupons for WooCommerce plugin < 2.3.0 - Broken Access Control vulnerability

Vendor Webtoffee
Product Smart Coupons for WooCommerce
Weakness CWE-862 · Missing authorization
Published May 25, 2026
Last update May 26, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in WebToffee Smart Coupons for WooCommerce allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Smart Coupons for WooCommerce: from n/a before 2.3.0.

Explanation of Vulnerability in Simple Terms

02Summary

Smart Coupons for WooCommerce before version 2.3.0 lacks proper authorization checks, allowing unauthenticated attackers to modify coupon data through the plugin's API or admin functions. An attacker can change coupon values, expiration dates, or usage limits without logging in. This affects all WooCommerce sites running the vulnerable plugin version.

What an attacker can do

03Attacker Capabilities

Modify or delete coupons and their settings without authentication.

Potential impact on your site

04Site Impact

Attackers can alter coupon codes, discount amounts, and restrictions, disrupting sales and customer trust.

Conditions required to exploit

05Prerequisites

Network access to the site; no login or user interaction required.

Key dates

06Disclosure timeline

May 25, 2026 CVE published
May 26, 2026 Record updated

Related vulnerabilities

08Related CVE