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XSS in Mozilla WebThings Gateway

High
mrstegeman published GHSA-8cfr-4226-4pj2 Apr 27, 2020

Package

WebThings Gateway

Affected versions

>= 0.3.0, < 0.12.0

Patched versions

0.12.0

Description

Impact

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.

Patches

The issue has been patched in 0.12.0.

#2446

Workarounds

  • Never share your gateway address publicly.
  • Never click on links which take you to your gateway, especially to the login page.

Severity

High

CVE ID

CVE-2020-6804

Weaknesses

No CWEs