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Vulnerability record · CVE-2016-20069 · published 15 June 2026

CVE-2016-20069: SQL injection vulnerability

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.

8.8 CVSS 4.0 High EPSS 0.24% · top 86.4% CWE-89 · SQL injection Deferred
8.8CVSS 4.0 base score
0.24%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

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

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Source: NIST National Vulnerability Database (record CVE-2016-20069), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.