CVE-2022-29434 WordPress Spiffy Calendar plugin <= 4.9.0 - Edit/Delete event via IDOR vulnerability

Q: What is CVE-2022-29434?

CVE-2022-29434 is a medium-severity missing authorization vulnerability in Spiffy Calendar, published on 20 May 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Q: Is CVE-2022-29434 being exploited?

There is no known exploitation of CVE-2022-29434 in the wild and no public exploit code.

Q: How do I fix CVE-2022-29434?

No fix has been published for CVE-2022-29434 yet. Limit exposure of the affected software until one is available.

Medium 6.3 Published 20 May 2022 Updated 28 Apr 2026

Attackers can edit or delete calendar events by manipulating event IDs due to missing authorization checks in the Spiffy Calendar plugin.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-29434?

CVE-2022-29434 is a medium-severity missing authorization vulnerability in Spiffy Calendar, published on 20 May 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Insecure Direct Object References (IDOR) vulnerability in Spiffy Plugins Spiffy Calendar <= 4.9.0 at WordPress allows an attacker to edit or delete events.

Weakness: CWE-639

Which versions are affected by CVE-2022-29434?

It affects 1 product.

Products include Spiffyplugins Spiffy Calendar.

How do I fix CVE-2022-29434?

No fix has been published for CVE-2022-29434 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-2022-29434 being exploited?

There is no known exploitation of CVE-2022-29434 in the wild and no public exploit code.

Sources

Also known as GHSA-384q-gq9c-w4g3.