CVE-2021-39183 is a medium-severity cross-site scripting (XSS) vulnerability affecting Owncast, an open-source live video streaming and chat server. It allows for the execution of inline scripts when JavaScript is parsed via a paste action, potentially leading to information disclosure or limited integrity impact. The vulnerability has a CVSS score of 6.1 and is mitigated in Owncast version 0.0.9 by implementing a stricter Content Security Policy. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.0.9CPE matchmatch criteria | cpe:2.3:a:owncast_project:owncast:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:L
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.