CVE-2026-106604

Deferred Deferred - Pending Action

Stored XSS in YITH WooCommerce Compare Plugin

Publication date: 2026-10-15

Last updated on: 2026-10-16

Assigner: Patchstack

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in YITH YITH WooCommerce Compare yith-woocommerce-compare allows Stored XSS.This issue affects YITH WooCommerce Compare: from n/a through 3.15.0.

CVSS Scores

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Meta Information

Published

2026-10-15

Last Modified

2026-10-16

Generated

2026-10-19

AI Q&A

2026-10-16

EPSS Evaluated

2026-10-18

NVD

CVE-2026-106604

EUVD

EUVD-2026-102237

Affected Vendors & Products

Vendor	Product	Version / Range
YITH	YITH	WooCommerce Compare 0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

This is a Stored Cross-Site Scripting (XSS) vulnerability in the YITH WooCommerce Compare plugin for WordPress. It allows attackers to inject malicious scripts into a website by exploiting improper input neutralization during web page generation. The vulnerability exists in versions 3.15.0 and below.

Detection Guidance

To detect this vulnerability, check if your YITH WooCommerce Compare plugin version is 3.15.0 or below. You can do this by logging into your WordPress admin panel, navigating to Plugins, and reviewing the version of the YITH WooCommerce Compare plugin.

Impact Analysis

An attacker could exploit this to inject malicious scripts into your website. This could lead to unauthorized actions, data theft, or defacement. Exploitation requires user interaction, such as clicking a malicious link or visiting a crafted page.

Compliance Impact

This vulnerability could potentially affect compliance with GDPR and HIPAA by enabling stored XSS attacks. If exploited, attackers could inject malicious scripts to steal user data or session cookies, leading to unauthorized access to sensitive information. This may violate data protection requirements under GDPR (e.g., Article 32 on security of processing) and HIPAA (e.g., safeguards for electronic protected health information).

Mitigation Strategies

Immediately update the YITH WooCommerce Compare plugin to version 3.15.1 or later. If updating is not possible, contact your hosting provider or web developer for assistance. Enable auto-updates for vulnerable plugins if you are a Patchstack user.

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