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Description

The WP Go Maps – Most Popular Map Plugin plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 10.1.01. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to create arbitrary records in plugin database tables (maps, markers, circles, polygons, polylines, rectangles, and point labels) by supplying a WPGMZA-namespaced CRUD-backed class name via the phpClass parameter. The namespace validation check (requiring the 'WPGMZA' prefix) does not prevent exploitation because classes such as WPGMZA\Map and WPGMZA\Marker satisfy it while still triggering an INSERT into the corresponding plugin table before the route rejects the request.

PUBLISHED Reserved 2026-06-15 | Published 2026-06-19 | Updated 2026-06-24 | Assigner Wordfence




MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Problem types

CWE-862 Missing Authorization

Product status

Default status
unaffected

Any version
affected

Timeline

2026-06-15:Vendor Notified
2026-06-19:Disclosed

Credits

Thanh Điềm finder

References

www.wordfence.com/...-9a79-4190-87ff-7eddb866ae56?source=cve

plugins.trac.wordpress.org/...10/includes/class.rest-api.php

cve.org (CVE-2026-12238)

nvd.nist.gov (CVE-2026-12238)

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