Cross Site Scripting

2023-11-2808:53:42

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

github

mattermost

vulnerability

html injection

web application

CVSS3

5.4

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

AI Score

6.4

Confidence

High

EPSS

Percentile

14.0%

JSON

github.com/mattermost/mattermost is vulnerable to Cross Site Scripting. The vulnerability is due to Mattermost fails to use innerText / textContent when setting the channel name in the webapp during autocomplete. This allows an attacker to inject HTML to a victim’s page by create a channel name that is valid HTML.