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TI-2020-05514 Aliases CVE-2020-6804GHSA-wq9f-h6v9-87rm

XSS in Mozilla WebThings Gateway

Priority LOW 39CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

A reflected XSS vulnerability exists within the gateway, allowing an attacker to craft a specialized URL which could steal the user's authentication token. When combined with CVE-2020-6803, an attacker could fully compromise the system.

Why it matters now

EPSS 0.00749 55th percentileScored 2026-11-07
Fix Fixed WebThings Gateway (Mozilla): 0.12.0

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MozillaWebThings Gateway0.3.0 and later; 0.12.0 to before 0.12.00.12.0Patch availableCNA
  • WebThings Gateway VendorMozilla Affected 0.3.0 and later; 0.12.0 to before 0.12.0 Fixed in 0.12.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:webthings_gateway:*:*:*:*:*:*:*:*0.3.0 to before 0.12.0VulnerableMozilla
  • cpe:2.3:a:mozilla:webthings_gateway:*:*:*:*:*:*:*:* Versions 0.3.0 to before 0.12.0 Vulnerable ·Mozilla

Remediation

  • Fix · CNA WebThings Gateway (Mozilla) Fixed in 0.12.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Mozilla WebThings Gateway 0.12.0, 0.3.0*

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2020-05513 Open redirect in Mozilla WebThings GatewayPriority LOW 28
    Show all 2 records →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-6804
  2. 2026-10-03 Alias added: GHSA-wq9f-h6v9-87rm

References

Patch 1

  • TI-2020-05513 Open redirect in Mozilla WebThings Gateway CVSS 3.1MEDIUM 6.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences