CVE-2026-93654
Received Received - Intake

Stored XSS in Premium Packages – Sell Digital Products Securely WordPress Plugin

Publication date: 2026-09-25

Last updated on: 2026-09-25

Assigner: Wordfence

Description
The Premium Packages – Sell Digital Products Securely plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'cart_items[][product_name]' Parameter in all versions up to, and including, 7.2.1 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. The checkout REST route uses permission_callback set to __return_true and the invoice loader performs no order ownership check, meaning an unauthenticated attacker can both persist the payload and ensure it is renderable to any logged-in user who accesses the invoice.

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Meta Information

Published
2026-09-25
Last Modified
2026-09-25
Generated
2026-09-25
AI Q&A
2026-09-25
EPSS Evaluated
N/A
NVD
CVE-2026-93654
EUVD
EUVD-2026-86594

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
wppremium premium_packages to 7.2.1 (inc)
wordfence premium_packages to 7.2.1 (inc)
wordfence premium_packages_sell_digital_products_securely to 7.2.1 (inc)

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 Premium Packages – Sell Digital Products Securely WordPress plugin. It allows unauthenticated attackers to inject malicious scripts via the 'cart_items[][product_name]' parameter due to insufficient input sanitization and output escaping. The injected scripts execute when users access affected pages.

Detection Guidance

Check for unauthorized script injections in WordPress pages, especially in checkout or invoice sections. Inspect the 'cart_items[][product_name]' parameter in plugin forms for suspicious payloads. Review server logs for unusual REST API requests to the checkout route.

Impact Analysis

Unauthenticated attackers can inject malicious scripts into your WordPress site. These scripts may steal user data, session cookies, or perform actions on behalf of users. Any logged-in user visiting an infected invoice page could have their session compromised.

Compliance Impact

This vulnerability could lead to unauthorized access to user data, violating GDPR's data protection requirements and HIPAA's safeguards for protected health information. It may result in data breaches, triggering compliance violations and potential fines.

Mitigation Strategies

Update the Premium Packages plugin to the latest version beyond 7.2.1. Disable the checkout REST route if not needed. Implement input sanitization for the 'cart_items[][product_name]' parameter. Restrict unauthenticated access to invoices.

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