CVE-2026-86550
UXSS vulnerability in ZTE browser products
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | zte |
| Product | nebulaos |
| Published | Sep 8, 2026 |
| Last Updated | Sep 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
ZTE / NebulaOS
Versions prior to Browser V1.6.8
References
Credits
Omri Inbar