Vulnerability Details CVE-2021-39183
Owncast is an open source, self-hosted live video streaming and chat server. In affected versions inline scripts are executed when Javascript is parsed via a paste action. This issue is patched in 0.0.9 by blocking unsafe-inline Content Security Policy and specifying the script-src. The worker-src is required to be set to blob for the video player.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 54.9%
CVSS Severity
CVSS v3 Score 8.2
CVSS v2 Score 4.3
References
Products affected by CVE-2021-39183
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cpe:2.3:a:owncast_project:owncast:0.0.1
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cpe:2.3:a:owncast_project:owncast:0.0.2
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cpe:2.3:a:owncast_project:owncast:0.0.3
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cpe:2.3:a:owncast_project:owncast:0.0.4
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cpe:2.3:a:owncast_project:owncast:0.0.5
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cpe:2.3:a:owncast_project:owncast:0.0.6
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cpe:2.3:a:owncast_project:owncast:0.0.7
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cpe:2.3:a:owncast_project:owncast:0.0.8