CVE-2026-57648 MEDIUM

CVE-2026-57648: WordPress Nelio Content plugin <= 4.3.4 - Broken Access Control vulnerability

Vendor Nelio Software
Product Nelio Content
Weakness CWE-862 · Missing authorization
Published June 26, 2026
Last update June 29, 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

Contributor Broken Access Control in Nelio Content <= 4.3.4 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Nelio Content versions up to 4.3.4 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. Update to a version newer than 4.3.4.

What an attacker can do

03Attacker Capabilities

Modify or alter site content without proper authorization.

Potential impact on your site

04Site Impact

Unauthorized users can alter published or draft content, risking data integrity and site reputation.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

June 26, 2026 CVE published
June 29, 2026 Record updated