CVE-2026-86550 NuBrowser lacks protocol whitelist validation for the… — CVE Notify — TG.ME

🚨 CVE-2026-86550
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.

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September 8, 2026 48