CVE-2026-0552: MRA13 Simple Shopping Cart

Medium severity, CVSS 6.4. EPSS: 0.2% chance of exploitation in the next 30 days.

The Simple Shopping Cart plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wpsc_display_product' shortcode in all versions up to, and including, 5.2.4 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.

Affected products

• MRA13 Simple Shopping Cart: up to and including 5.2.4

Published 2026-04-04. Last modified 2026-07-24.