What is the CVSS score of CVE-2026-25016?

CVE-2026-25016 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Nelio Software Nelio Popups are affected by CVE-2026-25016?

Organizations using Missing Authorization vulnerability in Nelio Software Nelio Popups nelio-popups should be aware of moderate risk from CVE-2026-25016, a missing authorization vulnerability rated…

How to fix or mitigate CVE-2026-25016?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Nelio Software Nelio Popups CVE-2026-25016

MEDIUM

Missing Authorization (CWE-862)

2026-02-03 audit@patchstack.com

Authentication Bypass

4.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.3 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Feb 03, 2026 - 15:16 nvd

MEDIUM 4.3

DescriptionCVE.org

Missing Authorization vulnerability in Nelio Software Nelio Popups nelio-popups allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Nelio Popups: from n/a through <= 1.3.5.

AnalysisAI

Nelio Popups versions 1.3.5 and earlier contain an authorization bypass vulnerability that allows authenticated users to modify popup content without proper access controls. An attacker with valid credentials can exploit misconfigured access control levels to make unauthorized changes to popups. No patch is currently available.

Technical ContextAI

Classified as CWE-862 (Missing Authorization). Affects Nelio Software Nelio Popups nelio-popups. Missing Authorization vulnerability in Nelio Software Nelio Popups nelio-popups allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Nelio Popups: from n/a through <= 1.3.5.