CVE-2026-40742

WordPress Nelio AB Testing plugin <= 8.2.8 - Sensitive Data Exposure vulnerability

State: Published
Severity: 5.3 Medium
Published: Apr 15, 2026
Updated: Apr 29, 2026
Reserved: Apr 15, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	Patchstack
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	CISA-ADP

Weaknesses

CWE-862 Missing Authorization

Affected Products

Product	Versions
Nelio AB TestingNelio Software	8.2.8 and earlierAffectedfrom 8.3.0Not affected

References

https://patchstack.com/database/Wordpress/Plugin/nelio-ab-testing/vulnerability/wordpress-nelio-ab-testing-plugin-8-2-8-sensitive-data-exposure-vulnerability?_s_id=cvevdb-entry

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.