CVE-2016-20069

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 1.0.23 contains an unauthenticated blind SQL injection vulnerability in the shortcode function that fails to sanitize the calendar parameter before using it in database queries. Attackers can inject SQL commands through the calendar shortcode parameter to execute arbitrary SQL queries and 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-2

Credits

Joaquin Ramirez Martinez [ i0 SEC-LABORATORY ]