CVE-2025-57923

CVSS 5.3 Medium
  • CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  • Published: 2025-09-22T19:15:49.183

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.

Related CVE by CWE

No related CWE found.

Top CVE for Vendor

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Recently Exploited Similar Vulnerabilities

No recent KEV-listed items for this vendor/product.

How to fix CVE-2025-57923

CVE-2025-57923 is a medium severity vulnerability affecting the affected product.

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 […]

Exploit Difficulty: EASY
⏱️ Time to exploit: < 1 hour
🛠️ Required skills: Basic web security knowledge
💰 Public exploits: Likely available

How to Fix:

1 Identify affected systems

- Check if you're running the affected product

2 Immediate actions

- Update to the latest patched version
- If patching is not immediately possible: restrict network exposure, apply least-privilege access

3 Verification

- Test the fix in a staging environment first
- Review logs for signs of exploitation
- Monitor for IOCs (Indicators of Compromise)

4 Long-term prevention

- Enable automatic security updates
- Set up vulnerability monitoring
- Review and harden security configurations

Exploit Difficulty Assessment

EASY
⏱️ Time to Exploit: < 1 hour
🛠️ Skills Required: Basic web security knowledge
💰 Public Exploits: Likely available

Vulnerability Timeline

Sep 22, 2025
Vulnerability Published

CVE details first published to NVD database

Nov 12, 2025
Imported to Database

Added to this CVE tracking system

Detection Rules & IOCs

No specific detection rules generated for this vulnerability type.

No vendor/product data available.