Nelio AB Testing: A security weakness
Nelio AB Testing is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is <= 8.2.8.
- Component
- Nelio AB Testing
- Plugin slug
nelio-ab-testing- Affected
- <= 8.2.8
- Safe version
8.3.0- Published
- Apr 15, 2026
- Weakness
- CWE-862 — Missing Authorization
This CVE was published Apr 15, 2026 and is one of 8 known issues for this plugin.
Update, patch or deactivate.
Update Nelio AB Testing to 8.3.0 or later, or disable and remove it until a fixed version is available.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical 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.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N