Event Tickets lets Contributors overwrite other organizers' seating data
Event Tickets and Registration before 5.29.0.1 does not correctly authorize some seating actions against event ownership. A Contributor-or-higher user can target an event they do not own and overwrite its seating layout, ticket inventory and attendee seat assignments. The published record does not disclose the actions or routes, event and seat parameters, authorization callbacks or update functions.
- Component
- Event Tickets and Registration
- Plugin slug
event-tickets-and-registration- Affected
- < 5.29.0.1
- Safe version
5.29.0.1- Published
- Aug 01, 2026
- Weakness
- Not assigned
This CVE was published Aug 01, 2026 and is one of 5 known issues for this plugin.
Update, patch or deactivate.
Update Event Tickets and Registration to 5.29.0.1 or later. Review seating changes made by Contributor-level accounts, compare layouts, inventory and assignments with trusted event records, restore altered data, and notify organizers or attendees where integrity was compromised.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
The Event Tickets and Registration WordPress plugin before 5.29.0.1 does not properly verify authorization on some of its seating actions, allowing users with contributor-level access and above to overwrite the seating layout, ticket inventory, and attendee seat assignments of events they do not own.