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Back to active CVEs
Medium · CVSS 6.5CVE-2026-86550

UXSS vulnerability in ZTE browser productsCVE-2026-86550

Answer in brief

CVE-2026-86550 records a Medium severity (CVSS 6.5) vulnerability in UXSS vulnerability in ZTE browser products. The current sources do not mark it as known exploited. The current feed maps ZTE/NebulaOS (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 8, 2026Updated Sep 9, 2026Source checked Oct 25, 2026First seen by HOL Sep 8, 2026Material review Sep 9, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 6.5
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 6.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps ZTE/NebulaOS (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
ZTE/NebulaOSgenericVersions prior to Browser V1.6.8Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for ZTE/NebulaOS.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Sep 8, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 9, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 8, 2026

Sources and claim methodology

  • Source referencesupport.zte.com.cn
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • WordPress WP Event Solution plugin <= 4.1.26 - Cross Site Scripting (XSS) vulnerabilityAlso CWE-79
  • WordPress We’re Open! plugin <= 2.6 - Cross Site Scripting (XSS) vulnerabilityAlso CWE-79
  • WordPress W3 Total Cache plugin <= 2.10.7 - Cross Site Scripting (XSS) vulnerabilityAlso CWE-79
  • WordPress BP Better Messages plugin <= 3.1.3 - Cross Site Scripting (XSS) vulnerabilityAlso CWE-79
  • WordPress Ad Inserter plugin <= 2.8.18 - Cross Site Scripting (XSS) vulnerabilityAlso CWE-79
  • WordPress All-in-One Video Gallery plugin <= 4.9.7 - Cross Site Scripting (XSS) vulnerabilityAlso CWE-79

Record context

Vulnerability class
XSS
EPSS
Not reported
CWE IDs
CWE-79
Source
CVE List V5
Source checked
Oct 25, 2026
References
1 linked source
Open source record