CVE-2016-20084 in Booking Calendar Contact Plugininfo

Summary

by MITRE • 06/15/2026

WordPress appointment-booking-calendar 1.1.24 contains multiple privilege escalation vulnerabilities that allow unauthenticated attackers to modify calendar settings and inject persistent cross-site scripting payloads through the admin.php page parameters. Attackers can inject malicious JavaScript into the 'ict' and 'ics' options or the calendar 'name' parameter via GET requests to execute arbitrary scripts when the calendar is displayed or accessed in the administration interface.

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Responsible

VulnCheck

Reservation

06/15/2026

Disclosure

06/15/2026

Moderation

accepted

CPE

ready

Exploit

Download

EPSS

0.00000

KEV

no

Activities

very low

Sources

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