CVE-2022-3357

HIGH

Smart Slider 3 WordPress <3.5.1.11 - Code Injection

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2022-3357. PoCs published by iamz24.

AI-analyzed exploit summary This repository contains functional exploit code for CVE-2021-3493 (LPE via OverlayFS) and CVE-2022-3357 (RCE via PHP deserialization). The payload.c demonstrates privilege escalation, while demonPayload.php and popChain.php show a PHP object injection chain for remote code execution.

Description

The Smart Slider 3 WordPress plugin before 3.5.1.11 unserialises the content of an imported file, which could lead to PHP object injection issues when a user import (intentionally or not) a malicious file, and a suitable gadget chain is present on the site.

Exploits (1)

nomisec WORKING POC
by iamz24 · poc
https://github.com/iamz24/CVE-2021-3493_CVE-2022-3357

This repository contains functional exploit code for CVE-2021-3493 (LPE via OverlayFS) and CVE-2022-3357 (RCE via PHP deserialization). The payload.c demonstrates privilege escalation, while demonPayload.php and popChain.php show a PHP object injection chain for remote code execution.

Classification
Working Poc 95%
Attack Type
Lpe, Rce, Deserialization
Complexity
Moderate
Reliability
Reliable
Target: Linux kernel (OverlayFS), PHP applications
No auth needed
Prerequisites: OverlayFS enabled on target system · PHP application with vulnerable deserialization
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (1)

Core 1
Core References

Scores

CVSS v3 8.8
EPSS 0.0190
EPSS Percentile 77.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-502
Status published
Products (1)
nextendweb/smart_slider_3 < 3.5.1.11
Published Oct 31, 2022
Tracked Since Feb 18, 2026