CVE-2026-32573

WordPress Nelio AB Testing plugin <= 8.2.7 - Remote Code Execution (RCE) vulnerability

9.1 Critical

Improper Control of Generation of Code ('Code Injection') vulnerability in Nelio Software Nelio AB Testing nelio-ab-testing allows Code Injection.This issue affects Nelio AB Testing: from n/a through <= 8.2.7.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.30%Up 0.3 points since Mar 26, 2026

What each source reports

CVE List Score used 9.1

WordPress Nelio AB Testing plugin <= 8.2.7 - Remote Code Execution (RCE) vulnerability

Record: CVE-2026-32573
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-94
Updated: 2026-11-02

EUVDEUVD-2026-15931 9.1

Record: EUVD-2026-15931
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-8x4j-65f5-6g6x 9.1

Improper Control of Generation of Code ('Code Injection') vulnerability in Nelio Software Nelio...

Record: GHSA-8x4j-65f5-6g6x
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-94
Updated: 2026-11-02

NVD 9.1

Record: CVE-2026-32573
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-94
Updated: 2026-11-02

Affected products

nelio software ab testing

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-32573 is a critical vulnerability (CVSS 9.1) in Nelio Software Ab Testing, published March 25, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 23rd percentile. No source names a fixed version.