Smart Slider 3 Pro 3.5.1.35 - Backdoor Embedded via Supply Chain Compromise
| CVSS | 9.8 (Critical) |
|---|---|
| Publicly Published | April 8, 2026 |
| Last Updated | April 15, 2026 |
Description
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.
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Vulnerability Details for Smart Slider 3 Pro
| Software Type | Plugin |
|---|---|
| Software Slug | nextend-smart-slider3-pro |
| Patched? | Yes |
| Remediation | Update to version 3.5.1.36, or a newer patched version |
| Affected Version |
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| Patched Version |
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