How severe is CVE-2025-57923?

CVE-2025-57923 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-57923 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-57923?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-57923 have an EU (EUVD) identifier?

Yes. CVE-2025-57923 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30709.

When was CVE-2025-57923 published?

CVE-2025-57923 was published on 2025-09-22 and last updated on 2026-06-17.

CVE-2025-57923

CVE-2025-57923 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-201.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-30709
Weakness: CWE-201
Published: 2025-09-22
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-57923?: 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.
How severe is CVE-2025-57923?: CVE-2025-57923 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-57923 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-57923?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-57923 have an EU (EUVD) identifier?: Yes. CVE-2025-57923 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30709.
When was CVE-2025-57923 published?: CVE-2025-57923 was published on 2025-09-22 and last updated on 2026-06-17.

References

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

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