CVE-2025-57923

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

5.3 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: None
Availability: None

Exploit likelihood

0.33%Up 0.3 points since Sep 23, 2025

What each source reports

CVE List Score used5.3

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

Record: CVE-2025-57923
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-201
Updated: 2026-11-02

EUVDEUVD-2025-307095.3

Record: EUVD-2025-30709
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-5523-p533-prfw5.3

Insertion of Sensitive Information Into Sent Data vulnerability in Ideal Postcodes UK Address...

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.

Record: GHSA-5523-p533-prfw
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-201
Updated: 2026-11-02

NVD5.3

Record: CVE-2025-57923
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-201
Updated: 2026-11-02

Affected products

ideal postcodes uk address postcode validation

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-57923 is a medium vulnerability (CVSS 5.3) in Ideal Postcodes Uk Address Postcode Validation, published September 22, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 26th percentile. No source names a fixed version.