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Booking Calendar CVE-2024-1207

CRITICAL
SQL Injection (CWE-89)
2024-02-08 security@wordfence.com
9.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Parameterized queries, prepared statements
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Persistence

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 78.70%.

Exploit ScenarioDerived

A remote attacker could execute arbitrary SQL commands against the database by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
Patch available 78.7% exploitation probability (EPSS)

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AnalysisAI

The WP Booking Calendar plugin for WordPress is vulnerable to SQL Injection via the 'calendar_request_params[dates_ddmmyy_csv]' parameter in all versions up to, and including, 9.9 due to insufficient. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Epss exploitation probability 78.7%.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Use parameterized queries/prepared statements. Never concatenate user input into SQL. Apply least-privilege database permissions.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as SQL Injection (CWE-89), which allows attackers to execute arbitrary SQL commands against the database. The WP Booking Calendar plugin for WordPress is vulnerable to SQL Injection via the 'calendar_request_params[dates_ddmmyy_csv]' parameter in all versions up to, and including, 9.9 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. Affected products include: Wpbookingcalendar Booking Calendar.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Patch released
Apr 08, 2026 - 18:22 nvd
Patch available
CVE Published
Feb 08, 2024 - 09:15 nvd
CRITICAL 9.8

DescriptionCVE.org

The WP Booking Calendar plugin for WordPress is vulnerable to SQL Injection via the 'calendar_request_params[dates_ddmmyy_csv]' parameter in all versions up to, and including, 9.9 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

Threat Intelligence Overview

Threat Score
4.3/10
Composite threat intelligence
EPSS Score
78.7%
Top 1% exploitable
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS 78.7%
Patch available Yes
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

128
Low Medium High Critical
KEV: 0
EPSS: +79
CVSS: +49
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

SQL injection exploits the way applications construct database queries by mixing user input directly into SQL statements.

Affected Products (CPE)CVE.org

cpe:2.3:a:wpbookingcalendar:booking_calendar:*:*:*:*:*:wordpress:*:*
CVE-2022-3982 CRITICAL POC
9.8 Dec 12

The Booking calendar, Appointment Booking System WordPress plugin before 3.2.2 does not validate uploaded files, which c

CVE-2022-1463 HIGH POC
8.8 May 10

The Booking Calendar plugin for WordPress is vulnerable to PHP Object Injection via the [bookingflextimeline] shortcode

CVE-2018-5673 HIGH POC
8.8 Jan 13

An issue was discovered in the booking-calendar plugin 2.1.7 for WordPress. Rated high severity (CVSS 8.8), this vulnera

CVE-2023-4620 MEDIUM POC
6.1 Oct 16

The Booking Calendar WordPress plugin before 9.7.3.1 does not sanitize and escape some of its booking from data, allowin

CVE-2018-5672 MEDIUM POC
4.8 Jan 13

An issue was discovered in the booking-calendar plugin 2.1.7 for WordPress. Rated medium severity (CVSS 4.8), this vulne

CVE-2018-5671 MEDIUM POC
4.8 Jan 13

An issue was discovered in the booking-calendar plugin 2.1.7 for WordPress. Rated medium severity (CVSS 4.8), this vulne

CVE-2018-5670 MEDIUM POC
4.8 Jan 13

An issue was discovered in the booking-calendar plugin 2.1.7 for WordPress. Rated medium severity (CVSS 4.8), this vulne

CVE-2026-32358 HIGH
7.6 Mar 13

Booking Calendar versions 10.14.15 and earlier contain a blind SQL injection vulnerability in database query handling th

CVE-2018-10363 HIGH
7.5 Jun 13

An issue was discovered in the WpDevArt "Booking calendar, Appointment Booking System" plugin 2.2.2 for WordPress. Rated

CVE-2026-92619 HIGH
7.2 Sep 18

Privilege escalation in the Booking Calendar plugin for WordPress (wpdevelop, cpe:2.3:a:wpdevelop:booking_calendar) in a

CVE-2026-59558 HIGH
7.1 Jul 27

Cross-site scripting in the Booking Calendar WordPress plugin through version 11.4.2 allows unauthenticated attackers to

CVE-2022-47428 MEDIUM
6.7 Nov 06

A vulnerability in wpdevart Booking calendar, Appointment Booking System booking-calendar.2.7. Rated medium severity (CV

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