What is CVE-2026-18466?

CVE-2026-18466 is a medium-severity vulnerability in Wp Maps, classified under Improper Access Control. CVSS score: 5.4/10. Published 2026-08-19.

How severe is CVE-2026-18466?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Vulnerability in Wp Maps

CVE-2026-18466

The WP Maps WordPress plugin before 4.9.8 does not perform a capability check, nor validate a nonce, in one of its AJAX actions, allowing users with a Subscriber account to create an unlimited number of options in the database, each of which is loaded on every page request.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

Affected products

Unknown Wp Maps

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-18466?: CVE-2026-18466 is a medium-severity vulnerability in Wp Maps, classified under Improper Access Control. CVSS score: 5.4/10. Published 2026-08-19.
How severe is CVE-2026-18466?: Medium severity. CVSS v3 base score is 5.4 out of 10.