CVE-2025-30523 HIGH

CVE-2025-30523: WordPress Super Simple Subscriptions plugin <= 1.1.0 - SQL Injection vulnerability

Vendor Marcel-Nl
Product Super Simple Subscriptions
Weakness CWE-89 · SQLi
Published March 24, 2025
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 Marcel-NL Super Simple Subscriptions super-simple-subscriptions allows SQL Injection.This issue affects Super Simple Subscriptions: from n/a through <= 1.1.0.

Explanation of Vulnerability in Simple Terms

02Summary

Super Simple Subscriptions versions 1.1.0 and earlier contain a SQL injection vulnerability accessible to high-privilege users. An attacker with administrative or equivalent access can craft malicious input to execute arbitrary SQL queries, potentially reading sensitive subscription and user data. The vulnerability affects the entire site scope and may cause service disruption.

What an attacker can do

03Attacker Capabilities

Read sensitive database records and disrupt site availability.

Potential impact on your site

04Site Impact

Subscription data and user information could be exposed; site performance may degrade.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

March 24, 2025 CVE published
April 28, 2026 Record updated