CVE-2026-34424
Published: Apr 9, 2026
Modified: May 14, 2026
CVSS v3.1
9.8
Description
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.
| Vendor | Product | Versions |
|---|---|---|
Nextendweb | Smart Slider 3 Pro for WordPress | affected 3.5.1.35unaffected 0 - <= 3.5.1.34unaffected 3.5.1.36 |
Nextendweb | Smart Slider 3 Pro for Joomla | affected 3.5.1.35unaffected 0 - <= 3.5.1.34unaffected 3.5.1.36 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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