CVE-2022-1463 Booking Calendar <= 9.1 - PHP Object Injection via Shortcode

High 8.8 Published Updated

Subscribers can exploit PHP object injection in the Booking Calendar plugin to execute arbitrary code on the site.

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-2022-1463?

CVE-2022-1463 is a high-severity unsafe deserialization vulnerability in wpdevelop Booking Calendar, published on 10 May 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Booking Calendar plugin for WordPress is vulnerable to PHP Object Injection via the [bookingflextimeline] shortcode in versions up to, and including, 9.1. This could be exploited by subscriber-level users and above to call arbitrary PHP objects on a vulnerable site.

Weakness: CWE-502

Which versions are affected by CVE-2022-1463?

It affects 1 product.

Products include Booking Calendar Project Booking Calendar.

How do I fix CVE-2022-1463?

No fix has been published for CVE-2022-1463 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2022-1463 being exploited?

There is no known exploitation of CVE-2022-1463 in the wild and no public exploit code.

Sources

Also known as GHSA-w78m-3h49-rcfw.

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