What’s Vulnerable › Vulnerabilities

CVE-2016-20069: WordPress Booking Calendar Contact Form 1.0.23 SQL Injection

• Severity: high (CVSS 8.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-15 · updated 2026-06-17
• Weakness: CWE-89

Description

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.

Affected products

• dwbooster Booking Calendar Contact Form: through 1.0.23

References

• http://wordpress.dwbooster.com/
• https://www.exploit-db.com/exploits/39423
• https://www.vulncheck.com/advisories/wordpress-booking-calendar-contact-form-sql-injection-2

Get alerted when CVE-2016-20069 or the next vulnerability affects your stack