CVE-2016-20069

WordPress Booking Calendar Contact Form 1.0.23 SQL Injection

CVSS 8.8 HIGHEPSS 0.2%CWE-89

Vexday Risk Score

41Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

Exploit maturity

Proof of concept

Public proof of concept exists, but not yet automated.

CVSS 8.8EPSS 0.2%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

15 Jun 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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.

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

Affected products

dwbooster · Booking Calendar Contact Form

public PoCs found — 1

cve_referencewww.exploit-db.com/exploits/39423unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

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