CVE-2022-45822 CRITICAL

CVE-2022-45822: WordPress Advanced Booking Calendar Plugin <= 1.7.1 is vulnerable to SQL Injection

Vendor Advanced Booking Calendar

Product Advanced Booking Calendar

Weakness CWE-89 · SQLi

Published December 5, 2022

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

10.0/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality High

Integrity High

CVSS vector

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

What the vulnerability does

01Description

Unauth. SQL Injection (SQLi) vulnerability in Advanced Booking Calendar plugin <= 1.7.1 on WordPress.

Explanation of Vulnerability in Simple Terms

02Summary

Advanced Booking Calendar versions up to 1.7.1 contain a SQL injection vulnerability accessible over the network without authentication. An attacker can inject malicious SQL commands to read, modify, or delete database contents. The vulnerability affects confidentiality, integrity, and availability of the entire system.

What an attacker can do

03Attacker Capabilities

Run arbitrary SQL commands to read, modify, or delete database records without logging in.

Potential impact on your site

04Site Impact

Complete compromise of the database: attackers can steal data, modify bookings/settings, or disable the calendar.

Conditions required to exploit

05Prerequisites

Network access to the application; no authentication or user interaction required.

Key dates

06Disclosure timeline

December 5, 2022 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2022-45822 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/89.html AskarLabs — CWE-89 write-up SQL Injection

Related vulnerabilities

Identifiers

CVE CVE-2022-45822

CWE CWE-89

CVSS 10.0 / CRITICAL

Affected versions