CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
AI Score
Confidence
High
EPSS
Percentile
9.0%
Mattermost version 8.1.x before 8.1.9 fails to sanitize data associated with permalinks when a plugin updates an ephemeral post, allowing an authenticated attacker who can control the ephemeral post update to access individual posts’ contents in channels they are not a member of.
[
{
"defaultStatus": "unaffected",
"product": "Mattermost",
"vendor": "Mattermost",
"versions": [
{
"lessThanOrEqual": "8.1.8",
"status": "affected",
"version": "8.1.0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "9.4"
},
{
"status": "unaffected",
"version": "8.1.9"
}
]
}
]