WordPress Security PHP Object Injection Vulnerability in Booking Calendar Plugin

"On April 18, 2022, Object Injection vulnerability in the Booking Calendar plugin for WordPress, which has over 60,000 installations."

Wordfence "

Description: Insecure Deserialization/PHP Object Injection
Affected Plugin: Booking Calendar
Plugin Slug: booking
Plugin Developer: wpdevelop, oplugins
Affected Versions: <= 9.1
CVE ID: CVE-2022-1463
CVSS Score: 8.1(High)
CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Researcher/s: Ramuel Gall
Fully Patched Version: 9.1.1
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Ref: Wordfence