Threat intelligence

Booking Calendar Contact Form <= 1.1.24 - Unauthenticated Stored Cross-Site Scripting

CVE-2016-20084 · booking-calendar-contact-form

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Booking Calendar Contact Form at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Booking Calendar Contact Form <= 1.1.24 - Unauthenticated Stored Cross-Site Scripting
Affected software: booking-calendar-contact-form(Plugin)
Affected versions: ≤ 1.1.24
Authentication: Unauthenticated
Vulnerability type: Cross-site scripting
CVE: CVE-2016-20084
Published: 15 June 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory 6208b87a-496c-404c-ac2e-0cc709cc5a5c). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed Booking Calendar Contact Form version against this catalog when the Defence plugin is connected to your WordPress site.

Start SiteRespond Defence for WordPress — £29.99/monthScan your website

All Booking Calendar Contact Form advisoriesBack to catalog