CVE-2026-84901: CWE-862 Missing Authorization in Eventin
Description
The Eventin WordPress plugin before 4.1.22 does not properly check authorization on several of its event-management REST routes, allowing users with contributor-level access and above to change the site's front-page setting to an event they do not own and to create, edit and delete global event and speaker taxonomy terms they should not be able to manage.
CVSS v3.1
Score 4.9medium
Affected software
Eventin
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-84901 describes a missing authorization vulnerability in the Eventin WordPress plugin prior to version 4.1.22. The plugin fails to properly verify user permissions on multiple REST API endpoints related to event management. As a result, users with contributor-level privileges or above can manipulate the front-page event setting and manage global event and speaker taxonomy terms beyond their intended scope. This flaw could lead to unauthorized modifications impacting site content integrity.
Potential Impact
The vulnerability allows users with contributor-level access or higher to perform unauthorized changes to the site's front-page event setting and to create, edit, or delete global event and speaker taxonomy terms. This can lead to unauthorized content modifications, potentially affecting site presentation and event data integrity. There is no direct confidentiality or availability impact reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict contributor-level access where possible and monitor for unauthorized changes to event and speaker taxonomies. Avoid granting contributor or higher privileges to untrusted users.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-09-02T15:15:46.164Z
- State
- PUBLISHED
Threat ID: 6a9bb8b9acd9273b49723bbd
Added to database: 09/05/2026, 06:37:45 UTC
Last enriched: 09/07/2026, 11:14:59 UTC
Last updated: 10/18/2026, 18:48:24 UTC
Views: 51
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