CVE-2026-25016: Nelio Software Nelio Popups

Medium severity, CVSS 4.3. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Nelio Software Nelio Popups: up to and including 1.3.5

Published 2026-02-03. Last modified 2026-06-17.