CVE-2023-23991 HIGH

CVE-2023-23991: WordPress Booking Calendar plugin <= 9.4.3 - SQL Injection

Vendor Wpdevelop / Oplugins
Product Booking Calendar
Weakness CWE-89 · SQLi
Published March 26, 2024
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

7.6/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L

What the vulnerability does

01Description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in WPdevelop / Oplugins Booking Calendar allows SQL Injection.This issue affects Booking Calendar: from n/a through 9.4.3.

Explanation of Vulnerability in Simple Terms

02Summary

Booking Calendar versions up to 9.4.3 contain a SQL injection vulnerability in a high-privilege function. An authenticated administrator can craft malicious input to execute arbitrary SQL queries, potentially reading sensitive database records. The vulnerability affects the entire site scope and requires admin-level access to exploit.

What an attacker can do

03Attacker Capabilities

Read sensitive data from the site database by injecting SQL commands through an admin function.

Potential impact on your site

04Site Impact

An admin account compromised or acting maliciously can extract sensitive data from your database.

Conditions required to exploit

05Prerequisites

Attacker must have administrator-level access to the WordPress site.

Key dates

06Disclosure timeline

March 26, 2024 CVE published
April 28, 2026 Record updated