CVE Catalog

CVE-2026-40742

MediumCVSS 5.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.19%

8th percentile - higher than 8% of all known CVEs

Summary

The Nelio AB Testing plugin for WordPress in versions up to and including 8.2.8 contains a missing authorization vulnerability. This may allow exploitation of incorrectly configured access control security levels.

Risk Assessment

An attacker may perform actions reserved for authorized users, potentially leading to unauthorized configuration changes or access to test data.

Recommendation

Update the Nelio AB Testing plugin to a version later than 8.2.8 once a fix is available, and review user privileges on the site.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS