CVE-2025-22523 CRITICAL

CVE-2025-22523: WordPress Schedule Plugin <= 1.0.0 - SQL Injection vulnerability

Vendor Scheduler
Product Schedule
Weakness CWE-89 · SQLi
Published March 28, 2025
Last update April 28, 2026

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/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 scheduler Schedule schedule allows Blind SQL Injection.This issue affects Schedule: from n/a through <= 1.0.0.

Explanation of Vulnerability in Simple Terms

02Summary

Schedule versions 1.0.0 and earlier contain a SQL injection vulnerability in the scheduler product. An attacker can craft malicious input to execute arbitrary SQL queries against the application database without authentication. This can lead to unauthorized data disclosure and potential service disruption. Update to a version newer than 1.0.0 immediately.

What an attacker can do

03Attacker Capabilities

Execute SQL queries to read sensitive data from the database and cause service disruption.

Potential impact on your site

04Site Impact

Attackers can steal database contents and disrupt service availability without needing valid credentials.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

March 28, 2025 CVE published
April 28, 2026 Record updated