CVE-2025-3890: WordPress Simple PayPal Shopping Cart <= 5.1.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
First published: Thu May 01 2025(Updated: )
The WordPress Simple Shopping Cart plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wp_cart_button' shortcode in all versions up to, and including, 5.1.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Credit: security@wordfence.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Tipsandtricks-hq Wordpress Simple Paypal Shopping Cart | <=5.1.3 | |
| WordPress Simple PayPal Shopping Cart | <=5.1.3 |
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Reference Links
- https://www.wordfence.com/threat-intel/vulnerabilities/id/93898bf8-cfed-44bf-9d68-a0167beba86a?source=cve
- https://plugins.trac.wordpress.org/browser/wordpress-simple-paypal-shopping-cart/tags/5.1.2/includes/wpsc-shortcodes-related.php#L20
- https://www.tipsandtricks-hq.com/ecommerce/simple-wp-shopping-cart-installation-usage-290#step-1-inserting-an-add-to-cart-button
- https://plugins.trac.wordpress.org/changeset/3284572/
Frequently Asked Questions
What is the severity of CVE-2025-3890?
CVE-2025-3890 is classified as a Stored Cross-Site Scripting vulnerability with a medium severity level.
How do I fix CVE-2025-3890?
To fix CVE-2025-3890, update the WordPress Simple Shopping Cart plugin to version 5.1.4 or later, which includes the necessary input sanitization and output escaping.
What versions are affected by CVE-2025-3890?
CVE-2025-3890 affects all versions of the WordPress Simple Shopping Cart plugin up to and including version 5.1.3.
Can CVE-2025-3890 be exploited remotely?
Yes, CVE-2025-3890 can be exploited remotely if a user has access to the affected shortcode.
What are the potential impacts of exploiting CVE-2025-3890?
Exploiting CVE-2025-3890 can allow attackers to execute arbitrary JavaScript in the context of the user's browser, potentially leading to data theft or session hijacking.
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