CVE-2016-20068

HIGH 8.2

WordPress Booking Calendar Contact Form 1.0.23 SQL Injection

CVSS Score

8.2

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-89
Vendor	dwbooster
Product	booking calendar contact form
Published	Jun 15, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

Affected Versions

dwbooster / Booking Calendar Contact Form

0 ≤ 1.0.23

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/39423 wordpress.dwbooster.com: http://wordpress.dwbooster.com/ vulncheck.com: https://www.vulncheck.com/advisories/wordpress-booking-calendar-contact-form-sql-injection

Credits

Joaquin Ramirez Martinez [ i0 SEC-LABORATORY ]