CVE-2025-57923

MEDIUM 5.3

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

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-201
Vendor	ideal postcodes
Product	uk address postcode validation
Published	Sep 22, 2025
Last Updated	Apr 28, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

Ideal Postcodes / UK Address Postcode Validation

0 ≤ 3.9.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/Wordpress/Plugin/uk-address-postcode-validation/vulnerability/wordpress-uk-address-postcode-validation-plugin-3-9-2-sensitive-data-exposure-vulnerability?_s_id=cve

Credits

Nabil Irawan | Patchstack Bug Bounty Program