CVE-2026-86442

WP Event Manager 3.4.0 - 3.4.1 - Unauthenticated Unpublished Post Overwrite via IDOR

Published Nov 5, 2026 CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed
Description
The WP Event Manager WordPress plugin before 3.4.2 does not verify the ownership or the post type of a user supplied post identifier in its front-end event submission flow, allowing unauthenticated attackers to read and overwrite the content of arbitrary unpublished posts and pages, and to convert them into events.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions wp Event Manager
Vendors & Products Wordpress-extensions
Wordpress-extensions wp Event Manager
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N'}

Type Values Removed Values Added
Weaknesses CWE-639
Type Values Removed Values Added
Description The WP Event Manager WordPress plugin before 3.4.2 does not verify the ownership or the post type of a user supplied post identifier in its front-end event submission flow, allowing unauthenticated attackers to read and overwrite the content of arbitrary unpublished posts and pages, and to convert them into events.
Title WP Event Manager 3.4.0 - 3.4.1 - Unauthenticated Unpublished Post Overwrite via IDOR
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Nov 6, 2026, 12:04 PM
Reserved
Sep 7, 2026, 12:40 PM
Status
Deferred
Published
Nov 5, 2026, 6:17 AM
Modified
Nov 6, 2026, 1:17 PM