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.

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.003 (19.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-18466: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

  • Wp Maps

Weakness classification (CWE)

References

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.