CVE-2026-84743
LowCVSS 3.8Summary
The Events Calendar WordPress plugin before 6.17.5 does not perform a per-object capability check on one family of its REST write routes, allowing users with a low-privilege role such as contributor to modify, unpublish, trash and take ownership of records belonging to other users, including administrators.
Risk Assessment
A low-privileged user can take control of other users' events, potentially leading to data integrity issues and unauthorized modifications.
Recommendation
Update the Events Calendar plugin to version 6.17.5 or later. Audit existing records for unauthorized changes.
Other vulnerabilities in Events Calendar
See all- CVE-2026-84742Low
The Events Calendar WordPress plugin before 6.17.5 does not check the capability required to publish content before creating or updating it through its REST API, allowing users with a role that cannot normally publish, such as contributor, to publish content directly and bypass editorial review.
- CVE-2026-84745Low
The Events Calendar WordPress plugin before version 6.17.3.1 does not restrict non-public content to the users entitled to read it on its public REST archives, allowing users with a low-privilege role such as contributor to read the full contents of every unpublished record on the site, including other users'.
Original NVD description (English source)
The Events Calendar WordPress plugin before 6.17.5 does not perform a per-object capability check on one family of its REST write routes, allowing users with a low-privilege role such as contributor to modify, unpublish, trash and take ownership of records belonging to other users, including administrators.

