Vulnerability · Published Sep 22, 2025 · Assigned by Patchstack
CVE-2025-57923WordPress UK Address Postcode Validation plugin <= 3.9.2 - Sensitive Data Exposure vulnerability
Medium 5.3
In plain English
A medium-severity security flaw in UK Address Postcode Validation from Ideal Postcodes. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 73.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Ideal Postcodes | UK Address Postcode Validation | 0 – through 3.9.2 |
Weakness: CWE-201 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N