EUVD-2026-20175
GHSA-mv96-qr2j-4hgg
Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Lifecycle Timeline
3DescriptionCVE.org
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.
AnalysisAI
DOM-based cross-site scripting (XSS) in Advanced Coupons for WooCommerce Coupons plugin (versions up to 4.7.1.1) allows authenticated attackers with low privileges to inject malicious scripts that execute in users' browsers with the same privileges as the site context, affecting confidentiality, integrity, and availability of the WordPress installation. The vulnerability has an EPSS score of 0.03% (8th percentile), indicating low real-world exploitation probability despite the moderate CVSS 6.5 rating.
Technical ContextAI
This is a DOM-based XSS vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation) in a WordPress plugin that fails to properly sanitize and validate user input before rendering it in the Document Object Model. DOM-based XSS differs from reflected or stored XSS in that the vulnerability exists in client-side JavaScript code rather than server-side generation; malicious input is processed by the browser's DOM APIs without adequate output encoding. The Advanced Coupons for WooCommerce Coupons plugin (CPE: cpe:2.3:a:josh_kohlbach:advanced_coupons_for_woocommerce_coupons:*:*:*:*:*:*:*:*) is a WordPress plugin distributed through the free WordPress.org plugin repository, making it accessible to any WordPress site administrator who installs it.
RemediationAI
Update the Advanced Coupons for WooCommerce Coupons plugin to a version later than 4.7.1.1; consult the plugin's release history or vendor advisory for the specific patched version. WordPress site administrators should navigate to Plugins > Installed Plugins and update the plugin immediately if a newer version is available. As a temporary mitigation before patching, restrict coupon creation and editing permissions to highly trusted administrator accounts only, and monitor for unauthorized modifications to coupon configurations. Review the official Patchstack advisory and WordPress plugin repository for confirmation of the fix version before updating, as version numbering may vary.
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Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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