CVE-2025-59561 MEDIUM

CVE-2025-59561: WordPress Smart Blocks Plugin <= 2.4 - Broken Access Control Vulnerability

Vendor Hashthemes
Product Smart Blocks
Weakness CWE-862 · Missing authorization
Published September 22, 2025
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

What the vulnerability does

01Description

Missing Authorization vulnerability in hashthemes Smart Blocks smart-blocks allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Smart Blocks: from n/a through <= 2.4.

Explanation of Vulnerability in Simple Terms

02Summary

Smart Blocks versions 2.4 and earlier lack proper authorization checks, allowing authenticated users with low privileges to modify content they should not have access to. The vulnerability requires a valid user account but no special interaction. Integrity of site content is at risk if an attacker gains low-level access.

What an attacker can do

03Attacker Capabilities

Modify or alter content in Smart Blocks without proper permission checks.

Potential impact on your site

04Site Impact

Unauthorized users can alter Smart Blocks content, risking data integrity and site reputation.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege authenticated account on the site.

Key dates

06Disclosure timeline

September 22, 2025 CVE published
April 28, 2026 Record updated