Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Owncast Project | Owncast | < 0.0.9 |
Related Weaknesses (CWE)
References
- https://github.com/owncast/owncast/security/advisories/GHSA-2hfj-cxw7-g45pExploitPatchThird Party Advisory
- https://github.com/owncast/owncast/security/advisories/GHSA-2hfj-cxw7-g45pExploitPatchThird Party Advisory
FAQ
What is CVE-2021-39183?
CVE-2021-39183 is a vulnerability with a CVSS score of 8.2 (HIGH). 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...
How severe is CVE-2021-39183?
CVE-2021-39183 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-39183?
Check the references section above for vendor advisories and patch information. Affected products include: Owncast Project Owncast.