CVE-2025-57923 MEDIUM

CVE-2025-57923: WordPress UK Address Postcode Validation plugin <= 3.9.2 - Sensitive Data Exposure vulnerability

Vendor Ideal Postcodes
Product UK Address Postcode Validation
Weakness CWE-201
Published September 22, 2025
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

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.

Explanation of Vulnerability in Simple Terms

02Summary

Ideal Postcodes UK Address Postcode Validation versions 3.9.2 and earlier expose sensitive information through an information disclosure vulnerability. An attacker can read data that should be restricted without authentication. The vulnerability requires only network access and no user interaction. Update to a version newer than 3.9.2 to remediate.

What an attacker can do

03Attacker Capabilities

Read sensitive information from the service without authentication.

Potential impact on your site

04Site Impact

If integrated into your site, attackers can access restricted data exposed by this service.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

September 22, 2025 CVE published
April 28, 2026 Record updated