CVE-2022-3357: Nextendweb Smart Slider 3

High severity, CVSS 8.8. EPSS: 2.1% chance of exploitation in the next 30 days.

The Smart Slider 3 WordPress plugin before 3.5.1.11 unserialises the content of an imported file, which could lead to PHP object injection issues when a user import (intentionally or not) a malicious file, and a suitable gadget chain is present on the site.

Affected products

• Nextendweb Smart Slider 3: before 3.5.1.11 (fixed in 3.5.1.11)

Published 2022-10-31. Last modified 2026-06-17.