plugin

Nextend Smart Slider3 Pro Vulnerabilities

1 known security issue reported for the Nextend Smart Slider3 Pro WordPress plugin. Most recent disclosed Apr 8, 2026.

1 critical

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Smart Slider 3 Pro 3.5.1.35 - Backdoor Embedded via Supply Chain Compromise

critical

The Smart Slider 3 Pro plugin for WordPress contains a malicious backdoor in version 3.5.1.35. This is due to a supply chain compromise that resulted in malicious copies of Smart Slider 3 Pro being installed on sites. This makes it possible for unauthenticated attackers to gain root access to a compromised site.

CVSS:
9.8
Affected:
3.5.1.35 – 3.5.1.35
Fixed in:
3.5.1.36
Disclosed:
Apr 8, 2026

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