CVE-2021-39183
HIGH
8,2
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: required
Scope: changed
Confidentiality: low
Integrity: high
Availability: low
MEDIUM
4,3
Source: [email protected]
Access Vector: network
Access Complexity: medium
Authentication: none
Confidentiality: none
Integrity: partial
Availability: none
Description
AI Translation Available
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.
EPSS (Exploit Prediction Scoring System)
Trend Analysis
EPSS (Exploit Prediction Scoring System)
Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.
EPSS Score
0,0033
Percentile
0,6th
Updated
EPSS Score Trend (Last 90 Days)
79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
StableCommon Consequences
Security Scopes Affected:
Access Control
Confidentiality
Integrity
Availability
Potential Impacts:
Bypass Protection Mechanism
Read Application Data
Execute Unauthorized Code Or Commands
Applicable Platforms
Technologies:
AI/ML, Web Based, Web Server
Application
Owncast by Owncast Project
Version Range Affected
To
0.0.9
(exclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:a:owncast_project:owncast:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://github.com/owncast/owncast/security/advisories/GHSA-2hfj-cxw7-g45p
https://github.com/owncast/owncast/security/advisories/GHSA-2hfj-cxw7-g45p