Medium severity6.5NVD Advisory· Published Sep 8, 2026

CVE-2026-86550

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.

Affected products

NuBrowser/NuBrowserllm-create

Patches

Vulnerability mechanics

References

support.zte.com.cn/zte-iccp-isupport-webui/bulletin/detail/874505866159006721nvd

News mentions

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cvss	0.423
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000