CVE-2022-1463: 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-lev

high Affects booking-calendar (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

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-lev

Package
booking-calendar (WordPress plugin) WordPress
Affected versions
<=9.1
Fixed in
no fix recorded
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 2% (77.3th percentile)
Published
2022-05-10
Source
nvd

References

CWE-502
NVD recordbooking-calendar (WordPress plugin) advisories

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