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CVE-2026-16304

WP Event Manager < 3.4.2 - Subscriber+ Arbitrary Post Takeover via event_organizer_ids

The WP Event Manager WordPress plugin before 3.4.2 does not properly validate ownership or the type of the user-supplied post identifiers processed by one of its frontend forms, allowing any user with a Subscriber account or above to reassign the authorship of arbitrary posts to themselves and to force them to be published. This results in content takeover and in the public disclosure of otherwise private or draft content, and requires the relevant frontend feature to be enabled.

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Vendors
Wordpress-extensions
Products
Wp Event Manager
CVE-2026-86442

WP Event Manager 3.4.0 - 3.4.1 - Unauthenticated Unpublished Post Overwrite via IDOR

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its front-end event submission flow, allowing unauthenticated attackers to read and overwrite the content of arbitrary unpublished posts and pages, and to convert them into events.

CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed
Vendors
Wordpress-extensions
Products
Wp Event Manager