The Smart Slider 3 plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 3.5.1.9 via deserialization of untrusted input when importing a file. This allows administrator-level attackers to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.
CVE-2022-3357 is a high severity with CVSS 7.2 Vulnerability issue affecting the Plugin Smart Slider 3. It affects Versions up to 3.5.1.9 and is fixed in 3.5.1.11.
Use the related hub and response guides to connect this CVE-2022-3357 report with patch validation, scanner checks, and site hardening work.
Open the grouped hub for related CVEs, affected ranges, severity mix, and patch coverage.
Check access, XML-RPC exposure, backup readiness, and monitoring after patching.
Use containment, evidence capture, remediation, and validation steps when exploit risk is high.
CVE-2022-3357 is tracked for the Plugin Smart Slider 3 as high severity with CVSS 7.2. The affected range is Versions up to 3.5.1.9. Update Smart Slider 3 to 3.5.1.11 or newer where that version is compatible with the site.
Search engines and operators need more than a title. This page exposes the identifier, affected range, patch evidence, and source coverage that make the vulnerability actionable.
This report has a CVE identifier, which makes it suitable for focused search and vulnerability triage workflows.
Affected version data gives operators a concrete comparison point against installed WordPress software.
A fixed version is present, so the page can answer update and remediation intent directly.
External references are available for source validation, advisory review, and incident notes.
Use these checks when converting this record into a patch ticket, incident note, or risk acceptance decision.
Inventory the installed Plugin package and compare its version with Versions up to 3.5.1.9.
Confirm Smart Slider 3 is updated to 3.5.1.11 or newer.
Review references and CVSS vector details for exploitability, authentication requirements, and exposure path.
After patching, re-run vulnerability monitoring and keep the related plugin or theme hub under review for follow-up CVEs.
| Software Type | Plugin |
|---|---|
| Software Slug |
smart-slider-3
View on wordpress.org
|
| CVE | CVE-2022-3357 |
| Patched Versions |
3.5.1.11
|
| Affected Versions |
Versions up to 3.5.1.9
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Smart Slider 3 <= 3.5.1.9 - Authenticated (Contributor+) PHP Object Injection
Smart Slider 3 <= 3.5.1.33 - Authenticated (Subscriber+) Arbitrary File Read via actionExportAll
Smart Slider 3 <= 3.5.1.22 - Missing Authorization to Limited File Upload
Smart Slider 3 <= 3.5.1.13 - Authenticated (Contributor+) Stored Cross-Site Scripting
Smart Slider 3 <= 3.5.1.9 - Authenticated (Contributor+) Stored Cross-Site Scripting
Smart Slider 3 <= 3.5.1.33 - Missing Authorization to Authenticated (Contributor+) Slider Data Read and Image Record Manipulation
Smart Slider 3 <= 3.5.0.8 - Authenticated Stored Cross-Site Scripting
Smart Slider 3 <= 3.5.1.36 - Authenticated (Administrator+) Path Traversal to Arbitrary File Read via 'src'/'srcset' Attribute in HTML Export
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