CVE-2023-32590 CRITICAL

CVE-2023-32590: WordPress Subscribe to Category Plugin <= 2.7.4 is vulnerable to SQL Injection

Vendor Daniel Söderström / Sidney Van De Stouwe
Product Subscribe to Category
Weakness CWE-89 · SQLi
Published December 20, 2023
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 Daniel Söderström / Sidney van de Stouwe Subscribe to Category.This issue affects Subscribe to Category: from n/a through 2.7.4.

Explanation of Vulnerability in Simple Terms

02Summary

Subscribe to Category versions up to 2.7.4 contain a SQL injection vulnerability that allows unauthenticated attackers to read sensitive database information over the network. The vulnerability requires no user interaction and can also cause partial service disruption. Site administrators should update immediately to a patched version.

What an attacker can do

03Attacker Capabilities

Read sensitive data from the site's database without logging in.

Potential impact on your site

04Site Impact

Attackers can extract database contents including user data, posts, and configuration without needing an account.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

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

Related vulnerabilities

08Related CVE