Mattermost Jira Plugin does not properly check security levels

2024-02-0915:31:27

Google

osv.dev

mattermost

jira

plugin

security

subscriptions

webhooks

issues

CVSS3

4.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N

AI Score

7.1

Confidence

High

EPSS

Percentile

14.0%

JSON

Mattermost Jira Plugin handling subscriptions fails to check the security level of an incoming issue or limit it based on the user who created the subscription resulting in registered users on Jira being able to create webhooks that give them access to all Jira issues.