CVE-2023-46821 HIGH

CVE-2023-46821: WordPress GD Security Headers Plugin <= 1.7 is vulnerable to SQL Injection

Vendor Milan Petrovic
Product GD Security Headers
Weakness CWE-89 · SQLi
Published November 6, 2023
Last update April 28, 2026

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 Milan Petrovic GD Security Headers allows auth. (admin+) SQL Injection.This issue affects GD Security Headers: from n/a through 1.7.

Explanation of Vulnerability in Simple Terms

02Summary

GD Security Headers versions up to 1.7 contain a SQL injection vulnerability accessible to high-privilege users. An attacker with administrative access can inject malicious SQL through the plugin's input handling, potentially reading sensitive database information. The vulnerability affects confidentiality and availability but not data integrity.

What an attacker can do

03Attacker Capabilities

Read sensitive data from the site's database or degrade database performance.

Potential impact on your site

04Site Impact

An admin account compromise could expose your database contents or cause performance degradation.

Conditions required to exploit

05Prerequisites

Attacker must have high-level administrative privileges on the site.

Key dates

06Disclosure timeline

November 6, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE