CVE-2020-6804

XSS in Mozilla WebThings Gateway

MEDIUM
6.1
CVSS Score
Published: February 28, 2020 at 10:38 PM UTC
Updated: June 17, 2026 at 03:23 AM UTC
1 product affected across 1 vendorWebThings Gateway

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.7%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 0.12.00.3.0 ≤ v < 0.12.00.3.0 ≤ v < 0.3.0*0.3.0
Affected range stops below 0.12.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 0.3.0*, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

x_refsource_MISCPatchThird Party Advisory
https://github.com/mozilla-iot/gateway/pull/2446

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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