CVE-2023-5334: Wponlinesupport Wp Responsive Header Image Slider

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

The WP Responsive header image slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'sp_responsiveslider' shortcode in versions up to, and including, 3.2.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• Wponlinesupport Wp Responsive Header Image Slider: up to and including 3.2.1

Published 2023-10-03. Last modified 2026-06-17.