CVE-2026-107653
Received Received - Intake

Stored XSS in SureCart WordPress Plugin

Publication date: 2026-10-31

Last updated on: 2026-10-31

Assigner: Wordfence

Description
The SureCart – Ecommerce Made Easy For Selling Physical Products, Digital Downloads, Subscriptions, Donations, & Payments plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'comment' parameter in all versions up to, and including, 4.9.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Successful execution requires the injected comment to be visible on a page that loads SureCart's web-component bundle (e.g. a page containing a SureCart Buy Button block), and the comment must be auto-approved or approved by a moderator.

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Meta Information

Published
2026-10-31
Last Modified
2026-10-31
Generated
2026-10-31
AI Q&A
2026-10-31
EPSS Evaluated
N/A
NVD
CVE-2026-107653
EUVD
EUVD-2026-114596

Helpful Resources

Exploitability

CWE
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KEV
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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.

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Executive Summary

This is a Stored Cross-Site Scripting (XSS) vulnerability in the SureCart WordPress plugin. It allows unauthenticated attackers to inject malicious scripts via the 'comment' parameter due to poor input sanitization and output escaping. The injected scripts execute when users access pages containing SureCart's web-component bundle, such as pages with a SureCart Buy Button block.

Detection Guidance

Check WordPress sites running SureCart plugin versions up to 4.9.4 for suspicious comments containing scripts in pages with SureCart components. Inspect page source for injected scripts in comment sections.

Impact Analysis

An attacker could steal user sessions, redirect users to malicious sites, or perform actions on their behalf. This could lead to data theft, account compromise, or defacement of affected websites. Users visiting compromised pages may unknowingly execute harmful scripts.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR's data protection requirements or HIPAA's safeguards for protected health information. Organizations may face compliance breaches, legal penalties, or reputational damage if exploited.

Mitigation Strategies

Update SureCart plugin to the latest version beyond 4.9.4. Remove or moderate suspicious comments. Implement input sanitization for comment fields. Monitor pages with SureCart components for unexpected scripts.

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