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OpenC3 COSMOS is Vulnerable to Self-XSS Through the Command Sender

🗓️ 22 Apr 2026 00:00:00Reported by RubySecType 
rubygems
 rubygems
🔗 rubysec.com👁 9 Views

OpenC3 COSMOS Command Sender is vulnerable to self XSS via unsafe eval on array inputs, enabling local JavaScript execution.

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22 Apr 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.14.6
EPSS0.002
SSVC
9