CRITICALVulnerability
Verified
Global

NVD CRITICAL: CVE-2026-34424 — Smart Slider 3 Pro version 3.5.1.35 for WordPress and Joomla contains a multi-st...

·Source: NIST NVD

Updated:

Executive Summary

Smart Slider 3 Pro version 3.5.1.35 for WordPress and Joomla contains a multi-stage remote access toolkit injected through a compromised update system that allows unauthenticated attackers to execute arbitrary code and commands. Attackers can trigger pre-authentication remote shell execution via HTTP headers, establish authenticated backdoors accepting arbitrary PHP code or OS commands, create hid

Analysis

Smart Slider 3 Pro version 3.5.1.35 for WordPress and Joomla contains a multi-stage remote access toolkit injected through a compromised update system that allows unauthenticated attackers to execute arbitrary code and commands. Attackers can trigger pre-authentication remote shell execution via HTTP headers, establish authenticated backdoors accepting arbitrary PHP code or OS commands, create hidden administrator accounts, exfiltrate credentials and access keys, and maintain persistence through multiple injection points including must-use plugins and core file modifications. CVSS Score: 9.8. Published: 2026-04-09T23:17:00.540.

Indicators of Compromise (2)

CVE (1)
CVE-2026-34424
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Apr 9, 2026. Verified by: NIST.

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