CVE-2026-14876: Nextendweb Smart Slider 3

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

The Smart Slider 3 plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'data-href' parameter in all versions up to, and including, 3.5.1.38 due to insufficient input sanitization and output escaping. 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

• Nextendweb Smart Slider 3: up to and including 3.5.1.38

Published 2026-09-30. Last modified 2026-09-30.