CVE-2026-25016 MEDIUM

CVE-2026-25016: WordPress Nelio Popups plugin <= 1.3.5 - Broken Access Control vulnerability

Vendor Nelio Software
Product Nelio Popups
Weakness CWE-862 · Missing authorization
Published February 3, 2026
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 Nelio Software Nelio Popups nelio-popups allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Nelio Popups: from n/a through <= 1.3.5.

Explanation of Vulnerability in Simple Terms

02Summary

Nelio Popups versions 1.3.5 and earlier lack proper authorization checks, allowing authenticated users with low privileges to modify popup content or settings they should not access. The vulnerability requires a valid user account but no special interaction. Site administrators should update to a version newer than 1.3.5 to prevent unauthorized changes to popup configurations.

What an attacker can do

03Attacker Capabilities

Modify popup content or settings without proper authorization.

Potential impact on your site

04Site Impact

Unauthorized users can alter popup behavior, messaging, or targeting, potentially affecting site visitors or campaigns.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

February 3, 2026 CVE published
April 28, 2026 Record updated