title: CSRF issue allows disconnecting a user's Jira connection through a simple post message (Jira Plugin)
description: Mattermost Jira Plugin fails to protect against logout CSRF allowing an attacker to post a specially crafted message that would disconnect a user's Jira connection in Mattermost only by viewing the message.
problem types: CWE-352 Cross-Site Request Forgery (CSRF)
affected:
{
defaultStatus: unaffected
product: Mattermost
vendor: Mattermost
versions:
lessThanOrEqual: 8.1.7, status: affected, version: 0, versionType: semver
status: unaffected, version: 8.1.8
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 3.5
baseSeverity: LOW
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
version: 3.1
]
format: CVSS
scenarios: GENERAL
solutions: Update Mattermost Server to versions 8.1.8 or higher. Alternatively, update the Mattermost Jira Plugin to versions v4.1.0