CVE-2026-32573 WordPress Nelio AB Testing plugin <= 8.2.7 - Remote Code Execution (RCE) vulnerability
Attackers can execute arbitrary code on WordPress sites using the Nelio AB Testing plugin due to improper code generation control.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-32573?
CVE-2026-32573 is a critical code injection vulnerability in Nelio AB Testing, published on 25 Mar 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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.
Weakness: CWE-94
Which versions are affected by CVE-2026-32573?
How do I fix CVE-2026-32573?
No fix has been published for CVE-2026-32573 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-32573 being exploited?
There is no known exploitation of CVE-2026-32573 in the wild and no public exploit code.
Sources
Also known as GHSA-8x4j-65f5-6g6x.