CVE-2026-39508 MEDIUM

CVE-2026-39508: WordPress Advanced Coupons for WooCommerce Coupons plugin <= 4.7.1.1 - Cross Site Scripting (XSS) vulnerability

Vendor Josh Kohlbach
Product Advanced Coupons for WooCommerce Coupons
Weakness CWE-79 · XSS
Published April 8, 2026
Last update April 29, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Josh Kohlbach Advanced Coupons for WooCommerce Coupons advanced-coupons-for-woocommerce-free allows DOM-Based XSS.This issue affects Advanced Coupons for WooCommerce Coupons: from n/a through <= 4.7.1.1.

Explanation of Vulnerability in Simple Terms

02Summary

Advanced Coupons for WooCommerce versions up to 4.7.1.1 contain a stored cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in other users' browsers when they view affected pages. The vulnerability requires user interaction and can affect site confidentiality, integrity, and availability.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers when they view coupon pages.

Potential impact on your site

04Site Impact

Attackers with basic site access can steal admin session tokens, modify coupon data, or deface pages seen by other users.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account on the site; victim must visit an affected page.

Key dates

06Disclosure timeline

April 8, 2026 CVE published
April 29, 2026 Record updated

Related vulnerabilities

08Related CVE