CVE-2021-4428

LOW

what3words Autosuggest Plugin < 4.0.1 - Information Disclosure in Setting Handler

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2021-4428. PoCs published by Rekcah, CERT-hr.

AI-analyzed exploit summary This repository contains a functional exploit for CVE-2021-4428 (Log4j RCE). It includes a Java-based reverse shell payload and a bash script to format the exploit with the attacker's LHOST. The exploit leverages JNDI injection via LDAP to achieve remote code execution.

Description

A vulnerability has been found in what3words Autosuggest Plugin up to 4.0.0 on WordPress and classified as problematic. Affected by this vulnerability is the function enqueue_scripts of the file w3w-autosuggest/public/class-w3w-autosuggest-public.php of the component Setting Handler. The manipulation leads to information disclosure. The attack can be launched remotely. Upgrading to version 4.0.1 is able to address this issue. The patch is named dd59cbac5f86057d6a73b87007c08b8bfa0c32ac. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-234247.

Exploits (2)

gitlab WORKING POC
by Rekcah · poc
https://gitlab.com/Rekcah/cve-2021-4428

This repository contains a functional exploit for CVE-2021-4428 (Log4j RCE). It includes a Java-based reverse shell payload and a bash script to format the exploit with the attacker's LHOST. The exploit leverages JNDI injection via LDAP to achieve remote code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Apache Log4j 2.x (versions 2.0-beta9 to 2.14.1)
No auth needed
Prerequisites: LDAP server (marshalsec) · HTTP server to host payload · Netcat listener · Java runtime environment
devstral-2 · analyzed Feb 23, 2026 Full analysis →
nomisec WRITEUP
by CERT-hr · poc
https://github.com/CERT-hr/Log4Shell

This repository contains indicators of compromise (IoCs) related to the exploitation of CVE-2021-4428 (Log4Shell). It does not include exploit code or a proof-of-concept, only documentation.

Classification
Writeup 100%
Attack Type
Other
Complexity
Trivial
Reliability
Theoretical
Target: Apache Log4j 2.x
No auth needed
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Scores

CVSS v3 2.7
EPSS 0.1581
EPSS Percentile 96.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

Details

CWE
CWE-200
Status published
Products (1)
what3words/autosuggest < 4.0.1
Published Jul 18, 2023
Tracked Since Feb 18, 2026