CVE-2026-40742 MEDIUM

CVE-2026-40742: WordPress Nelio AB Testing plugin <= 8.2.8 - Sensitive Data Exposure vulnerability

Vendor Nelio Software

Product Nelio AB Testing

Weakness CWE-862 · Missing authorization

Published April 15, 2026

Last update April 29, 2026

View on NVD All CVEs

CVSS base score

5.3/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality Low

Integrity None

CVSS vector

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

What the vulnerability does

Description

Missing Authorization vulnerability in Nelio Software Nelio AB Testing nelio-ab-testing allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Nelio AB Testing: from n/a through <= 8.2.8.

Key dates

Disclosure timeline

April 15, 2026 CVE published

April 29, 2026 Record updated