CVE-2023-33209 HIGH

CVE-2023-33209: WordPress SEO Change Monitor Plugin <= 1.2 is vulnerable to SQL Injection

Vendor Crawlspider
Product SEO Change Monitor – Track Website Changes
Weakness CWE-89 · SQLi
Published December 20, 2023
Last update April 28, 2026

CVSS base score

8.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/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 CrawlSpider SEO Change Monitor – Track Website Changes.This issue affects SEO Change Monitor – Track Website Changes: from n/a through 1.2.

Explanation of Vulnerability in Simple Terms

02Summary

SEO Change Monitor versions up to 1.2 contain a SQL injection vulnerability in a database query that processes user input without proper sanitization. An attacker with low-level site access can inject malicious SQL commands to read sensitive data from the database, including user credentials and site configuration. The vulnerability also allows limited disruption of site availability.

What an attacker can do

03Attacker Capabilities

Read sensitive data from the site database, including user credentials and configuration details.

Potential impact on your site

04Site Impact

Unauthorized access to user accounts, exposure of database contents, and potential site instability.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account on the site; no user interaction required.

Key dates

06Disclosure timeline

December 20, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE