CVE-2026-0552: Simple Shopping Cart <= 5.2.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'wpsc_display_product' Shortcode
The Simple Shopping Cart plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wpscdisplayproduct' 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 Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-0552?
CVE-2026-0552 is considered a medium severity vulnerability due to its potential for authenticated stored cross-site scripting.
How do I fix CVE-2026-0552?
To fix CVE-2026-0552, upgrade the Simple Shopping Cart plugin to version 5.2.5 or higher.
What type of vulnerability is CVE-2026-0552?
CVE-2026-0552 is a Stored Cross-Site Scripting (XSS) vulnerability.
Who is affected by CVE-2026-0552?
Users of the Simple Shopping Cart plugin for WordPress versions up to and including 5.2.4 are affected by CVE-2026-0552.
Which shortcode is vulnerable in CVE-2026-0552?
The 'wpsc_display_product' shortcode is the entry point for the vulnerability in CVE-2026-0552.