CVE intelligence and bounded remediation

CVE-2020-27980 — Genexis Platinum-4410 P4410-V2-1.28 devices allow stored XSS in the WLAN SSID parameter

Medium CVSS 5.4

Genexis Platinum-4410 P4410-V2-1.28 devices allow stored XSS in the WLAN SSID parameter. This could allow an attacker to perform malicious actions in which the XSS popup will affect all privileged users.

Severity
Medium
CVSS
5.4 (3.1)
Published
2020-10-28
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-79

Affected products

  • genexis / platinum-4410_firmware / 1.28

Matched remediation archetype

Cross-site scripting and unsafe browser output

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Check exposure

  • Trace reflected, stored, and DOM-derived untrusted values into HTML, attributes, URLs, styles, scripts, and client-side template sinks.
  • Identify affected origins, authenticated user roles, sensitive browser capabilities, and where content is shared across tenants.
  • Review framework escaping, rich-text sanitization, legacy templates, and client-side rendering paths.

Remediate safely

  • Use context-aware framework output encoding and safe DOM APIs; keep untrusted data out of executable contexts.
  • Sanitize intentionally supported markup with a maintained allowlist policy and validate URLs and attributes separately.
  • Update affected rendering components and add tests for every output context using inert sentinel markup.

Authoritative sources

Complete CVE record and remediation plan

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