What’s Vulnerable › Vulnerabilities
CVE-2020-6804: XSS in Mozilla WebThings Gateway
- Severity: medium (CVSS 6.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-02-28 · updated 2026-06-17
- Weakness: CWE-79
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 products
- Mozilla WebThings Gateway: from 0.3.0 before 0.12.0 — fixed in 0.12.0
How to fix
Upgrade to a fixed version: Mozilla WebThings Gateway 0.12.0. Check the vendor advisory for mitigations.
References
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