what3words Autosuggest Plugin up to 4.0.0 on WordPress Setting class-w3w-autosuggest-public.php enqueue_scripts information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
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A vulnerability has been found in what3words Autosuggest Plugin up to 4.0.0 on WordPress (WordPress Plugin) 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 with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality.

The weakness was disclosed 11/17/2021. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-4428. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

By approaching the search of inurl:w3w-autosuggest/public/class-w3w-autosuggest-public.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 4.0.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch dd59cbac5f86057d6a73b87007c08b8bfa0c32ac is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

[TT-6952] Security Vulnerability Patch [TT-6889] Load Scripts Async (#20)







CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 2.7
VulDB Temp Score: 2.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 2.7
CNA Vector (VulDB): 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
ATT&CK: T1592

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Autosuggest Plugin 4.0.1
Patch: dd59cbac5f86057d6a73b87007c08b8bfa0c32ac


11/17/2021 🔍
11/17/2021 +0 days 🔍
07/16/2023 +605 days 🔍
07/16/2023 +0 days 🔍
08/06/2023 +21 days 🔍


Advisory: dd59cbac5f86057d6a73b87007c08b8bfa0c32ac
Status: Confirmed

CVE: CVE-2021-4428 (🔍)


Created: 07/16/2023 04:49 PM
Updated: 08/06/2023 12:21 PM
Changes: 07/16/2023 04:49 PM (48), 08/06/2023 12:14 PM (3), 08/06/2023 12:21 PM (28)
Complete: 🔍


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