CVE-2025-57923

WordPress UK Address Postcode Validation plugin <= 3.9.2 - Sensitive Data Exposure vulnerability

Published Sep 22, 2025 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
Insertion of Sensitive Information Into Sent Data vulnerability in Ideal Postcodes UK Address Postcode Validation uk-address-postcode-validation allows Retrieve Embedded Sensitive Data.This issue affects UK Address Postcode Validation: from n/a through <= 3.9.2.

Remediation

No solution or workaround provided in the CVE record

Tracking

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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.
History
Type Values Removed Values Added
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'}

Type Values Removed Values Added
Description 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. Insertion of Sensitive Information Into Sent Data vulnerability in Ideal Postcodes UK Address Postcode Validation 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 WordPress UK Address Postcode Validation plugin <= 3.9.2 - Sensitive Data Exposure vulnerability
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'}

Type Values Removed Values Added
Description 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. 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.
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
Type Values Removed Values Added
First Time appeared Wordpress
Wordpress wordpress
Vendors & Products Wordpress
Wordpress wordpress
Type Values Removed Values Added
Metrics ssvc

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

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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Apr 28, 2026, 4:13 PM
Reserved
Aug 22, 2025, 11:36 AM
Status
Deferred
Published
Sep 22, 2025, 7:15 PM
Modified
Jun 17, 2026, 9:43 AM