CVE-2023-50843 HIGH

CVE-2023-50843: WordPress Clockwork SMS Notfications Plugin <= 3.0.4 is vulnerable to SQL Injection

Vendor Clockwork
Product Clockwork SMS Notfications
Weakness CWE-89 · SQLi
Published December 28, 2023
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 Clockwork Clockwork SMS Notfications.This issue affects Clockwork SMS Notfications: from n/a through 3.0.4.

Explanation of Vulnerability in Simple Terms

02Summary

Clockwork SMS Notifications versions up to 3.0.4 contain a SQL injection vulnerability accessible to high-privilege users. An attacker with administrative access can inject malicious SQL commands through the plugin's input fields, potentially reading sensitive database records. The vulnerability requires high-level privileges to exploit and does not allow data modification.

What an attacker can do

03Attacker Capabilities

Read sensitive data from the site's database if they have admin-level access.

Potential impact on your site

04Site Impact

An admin account compromise could expose your database contents; monitor admin access logs and update immediately.

Conditions required to exploit

05Prerequisites

Attacker must have high-privilege (admin) account access to the site.

Key dates

06Disclosure timeline

December 28, 2023 CVE published
April 28, 2026 Record updated