CVE-2026-14823 Event Tickets < 5.29.0.1 - Contributor+ Seating Layout and Ticket Inventory Modification via IDOR

Low 2.2 Published Updated

Contributors can modify seating layouts and ticket inventory for events they do not own due to missing authorization checks.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-14823?

CVE-2026-14823 is a low-severity missing authorization vulnerability in Unknown Event Tickets and Registration, published on 1 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official 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.

Weakness: CWE-639

Which versions are affected by CVE-2026-14823?

How do I fix CVE-2026-14823?

No fix has been published for CVE-2026-14823 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-14823 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-14823 exists.

Sources

Also known as GHSA-cfmh-2g6m-xpvm.

Is CVE-2026-14823 in your software?

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