Description
A cross-site scripting (XSS) vulnerability in OpenC3 COSMOS before v6.0.2 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the URL parameter.
References (5)
Core 5
Core References
Product
https://openc3.com/
Exploit, Mitigation, Third Party Advisory
https://visionspace.com/openc3-cosmos-a-security-assessment-of-an-open-source-mission-framework/
Issue Tracking
https://github.com/OpenC3/cosmos/pull/1816
Release Notes
https://github.com/OpenC3/cosmos/releases/tag/v6.0.2
Scores
CVSS v3
6.1
EPSS
0.0029
EPSS Percentile
52.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (1)
openc3/cosmos
6.0.0
Published
Jun 13, 2025
Tracked Since
Feb 18, 2026