Security Advisory

CVE-2026-86550

CVSS 6.5
MEDIUM

Vulnerability Description

NuBrowser lacks protocol whitelist validation for the S.browser_fallback_url field of intent://, allowing attackers to inject javascript: URLs via 302 redirects. This results in a universal cross‑site scripting (UXSS) vulnerability that enables script execution within the origin of arbitrary websites.
Published Date 2026-09-08T09:18:21.747
Data Feed NIST National Vulnerability Database