CVE-2016-20068CWE-89

WordPress Booking Calendar Contact Form 1.0.23 SQL Injection

High · published June 15, 2026

CVSS v4.0
8.8
EPSS
0%
Percentile
21.6
In the wild
Unconfirmed
What it is

WordPress Booking Calendar Contact Form version 1.0.23 contains an unauthenticated blind SQL injection vulnerability that allows remote attackers to execute arbitrary SQL queries by injecting malicious code through the 'id' parameter. Attackers can send requests to the admin-ajax.php endpoint with the action parameter set to 'dex_bccf_calendar_ajaxevent' and supply crafted SQL commands in the 'id' parameter to extract sensitive database information.

The record
Technical detail
CVSS v4.0
8.8 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS
0.00302 · 21.6th percentile
Weakness
CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Published
2026-06-15T12:02Z
EPSS history
Timeline
  • 15 JUN 12:02Z
    WordPress Booking Calendar Contact Form 1.0.23 SQL Injection
    cvelistv5