What is the CVSS score of CVE-2025-67944?

CVE-2025-67944 has a CVSS 3.1 base score of 9.1 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Nelio Software Nelio AB Testing are affected by CVE-2025-67944?

A critical code injection vulnerability affects Nelio AB Testing plugin (versions ≤ 8.1.8) used in WordPress environments, allowing attackers to execute arbitrary code and potentially compromise…

How to fix or mitigate CVE-2025-67944?

Within 24 hours: Audit all WordPress installations to identify Nelio AB Testing plugin presence and version; immediately disable the plugin if identified and no patched version is available. Within 7 days: Contact Nelio Software for patch availability and timeline; evaluate alternative A/B testing solutions if patch remains unavailable; conduct security assessment of potentially affected systems. Within 30 days: Deploy patched version once available; perform code review and log analysis for evidence of exploitation; restore from clean backups if compromise is suspected.

Nelio Software Nelio AB Testing CVE-2025-67944

CRITICAL

Code Injection (CWE-94)

2026-01-22 audit@patchstack.com

Code Injection RCE

9.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.1 CRITICAL

AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Re-analysis Queued

Apr 23, 2026 - 15:43 vuln.today

cvss_changed

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Jan 22, 2026 - 17:16 nvd

CRITICAL 9.1

DescriptionCVE.org

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 <= 8.1.8.

AnalysisAI

Nelio AB Testing WordPress plugin has a code injection vulnerability allowing attackers to execute arbitrary code through the A/B testing functionality.

Technical ContextAI

The Nelio AB Testing plugin has a CWE-94 code injection vulnerability that allows attackers to inject and execute arbitrary code through the plugin's testing variation functionality.