GitHub Advisory DatabaseGHSA-JCGV-3PFQ-J4HRMattermost Injection vulnerability
5.4 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
5.9 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
14.2%
Mattermost fails to use innerText / textContent when setting the channel name in the webapp during autocomplete, allowing an attacker to inject HTML to a victim’s page by create a channel name that is valid HTML. No XSS is possible though.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| github.com/mattermost/mattermost-server/v6 | lt | 7.8.13 | |
| github.com/mattermost/mattermost/server/v8 | lt | 8.1.4 |
Related
5.4 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
5.9 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
14.2%