WordPress Plugin Vulnerabilities

Nelio AB Testing < 8.3.0 - Unauthenticated Information Exposure

Description

The Nelio A/B Testing – AB Tests and Heatmaps for Better Conversion Optimization plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 8.2.8. This makes it possible for unauthenticated attackers to extract sensitive user or configuration data.

Affects Plugins

Plugin icon
nelio-ab-testing
Fixed in 8.3.0

References

CVE
CVE-2026-40742
URL
https://www.wordfence.com/threat-intel/vulnerabilities/id/e53ca576-9705-4362-b2b7-338477002ab9

Classification

Type
SENSITIVE DATA DISCLOSURE
OWASP top 10
A3: Sensitive Data Exposure
CWE
CWE-200
CVSS
5.3 (medium)

Miscellaneous

Original Researcher
Bao - BlueRock
Verified
No
WPVDB ID
9fcb7167-f440-44d2-9068-5fa7f1f664d8

Timeline

Publicly Published
2026-03-17 (about 2 months ago)
Added
2026-05-12 (about 18 days ago)
Last Updated
2026-05-12 (about 18 days ago)

Other

Published
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2025-02-25
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2025-11-09
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2024-10-14
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WPIDE < 3.5.0 - Unauthenticated Full Path Dislcosure
Published
2023-06-05
Title
KiviCare Management System < 3.2.1 - Subscriber+ Sensitive Information Disclosure
Published
2026-02-22
Title
WoodMart < 8.4.0 - Unauthenticated Sensitive Information Exposure