cve.bz

CVE-2021-39183

6.1 mediumEPSS 0.8%

Medium (6.1) in owncast project owncast. EPSS 0.8% chance of exploitation in the next 30 days. Fixed in github.com/owncast/owncast 0.0.9.

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.

Severity

CVSS 3.1

6.1 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.8% chance of exploitation in the next 30 days; higher than 55% of CVEs (scores of 2026-10-31)
CWE
CWE-79
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-2hfj-cxw7-g45pGogithub.com/owncast/owncast<0.0.90.0.9
GO-2022-0291Gogithub.com/owncast/owncast<0.0.90.0.9

References

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