Backdoored Smart Slider 3 Pro Update Distributed via Compromised Nextend Servers

Friday, April 10, 2026 at 06:28 AM UTC·Source: The Hacker News

Updated: Friday, April 10, 2026 at 07:26 AM UTC

Executive Summary

Unknown threat actors have hijacked the update system for the Smart Slider 3 Pro plugin for WordPress and Joomla to push a poisoned version containing a backdoor. The incident impacts Smart Slider 3 Pro version 3.5.1.35 for WordPress, per WordPress security company Patchstack. Smart Slider 3 is a popular WordPress slider plugin with more than 800,000 active installations across its free and Pro

Analysis

Indicators of Compromise (1)

IPv4 (1)

3.5.1.35

VirusTotal Shodan AbuseIPDB

Source Attribution

Originally published by The Hacker News on Apr 10, 2026.

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