An Insertion of Sensitive Information into Sent Data vulnerability in the Ideal Postcodes UK Address Postcode Validation WordPress plugin exposes the API key, allowing unauthorized third parties to retrieve and reuse the key across any domain. Since API keys are unrestricted by default, with the “Allowed URLs” field left empty upon creation of API key this can lead to unauthorized use and depletion of API credits.

Note: the vulnerability is assessed based on the default configuration.

This issue affects UK Address Postcode Validation: from n/a through 3.9.2.
Advisories
Source ID Title
EUVD EUVD EUVD-2025-30709 Insertion of Sensitive Information Into Sent Data vulnerability in Ideal Postcodes UK Address Postcode Validation allows Retrieve Embedded Sensitive Data. This issue affects UK Address Postcode Validation: from n/a through 3.9.2.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 24 Oct 2025 04:00:00 +0000

Type Values Removed Values Added
Description Insertion of Sensitive Information Into Sent Data vulnerability in Ideal Postcodes UK Address Postcode Validation allows Retrieve Embedded Sensitive Data. This issue affects UK Address Postcode Validation: from n/a through 3.9.2. An Insertion of Sensitive Information into Sent Data vulnerability in the Ideal Postcodes UK Address Postcode Validation WordPress plugin exposes the API key, allowing unauthorized third parties to retrieve and reuse the key across any domain. Since API keys are unrestricted by default, with the “Allowed URLs” field left empty upon creation of API key this can lead to unauthorized use and depletion of API credits. Note: the vulnerability is assessed based on the default configuration. This issue affects UK Address Postcode Validation: from n/a through 3.9.2.
References

Tue, 23 Sep 2025 16:15:00 +0000

Type Values Removed Values Added
First Time appeared Wordpress
Wordpress wordpress
Vendors & Products Wordpress
Wordpress wordpress

Tue, 23 Sep 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 22 Sep 2025 18:30:00 +0000

Type Values Removed Values Added
Description Insertion of Sensitive Information Into Sent Data vulnerability in Ideal Postcodes UK Address Postcode Validation allows Retrieve Embedded Sensitive Data. This issue affects UK Address Postcode Validation: from n/a through 3.9.2.
Title WordPress UK Address Postcode Validation Plugin <= 3.9.2 - Sensitive Data Exposure Vulnerability
Weaknesses CWE-201
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Patchstack

Published:

Updated: 2025-10-24T03:53:30.326Z

Reserved: 2025-08-22T11:36:12.721Z

Link: CVE-2025-57923

cve-icon Vulnrichment

Updated: 2025-09-23T14:12:08.704Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-09-22T19:15:49.183

Modified: 2025-10-24T04:15:54.060

Link: CVE-2025-57923

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-09-23T16:05:08Z