4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
8.2 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
HIGH
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:L
0.001 Low
EPSS
Percentile
40.3%
Inline scripts are executed when Javascript is parsed via a paste action.
<img src>
into the ⋮ 13 │ // Content security policy
⋮ 14 │ csp := []string{
⋮ 15 │ "script-src 'self' 'sha256-2HPCfJIJHnY0NrRDPTOdC7AOSJIcQyNxzUuut3TsYRY='",
⋮ 16 │ "worker-src 'self' blob:", // No single quotes around blob:
⋮ 17 │ }
Will be 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.
If you have any questions or comments about this advisory:
CPE | Name | Operator | Version |
---|---|---|---|
github.com/owncast/owncast | lt | 0.0.9 |
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
8.2 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
HIGH
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:L
0.001 Low
EPSS
Percentile
40.3%