CVE-2020-6804: mozilla webthings_gateway Cross-site Scripting
CVSS: 8.8v3.1HighModified
Published 28-02-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-6804 is a high (CVSS 8.8) Cross-site Scripting vulnerability in mozilla webthings_gateway. EPSS estimates a 0.75% chance of exploitation in the next 30 days, higher than 54% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
0.75%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 28-02-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSources2 sources · 6.1–8.8
- NVDNIST6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NDiffers
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.75%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
0.00 pp
From 0.75% on 19-09-2026
19-09-202619-10-2026
EPSS score0.75%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mozilla1 product
- webthings_gateway≥ 0.3.0, < 0.3.0* | ≥ 0.12.0, < 0.12.0 | ≥ 0.3.0, < 0.12.0
1 vendor · 1 product