CVE-2026-40742

MEDIUM 5.3

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

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

4th

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.

CWE	CWE-862
Vendor	nelio software
Product	nelio ab testing
Published	Apr 15, 2026
Last Updated	Apr 15, 2026

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Affected Versions

Nelio Software / Nelio AB Testing

0 ≤ 8.2.8

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Bao - BlueRock | Patchstack Bug Bounty Program