Mattermost Jira plugin versions shipped with Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail to escape user-controlled outputs when generating HTML pages, which allows an attacker to perform reflected cross-site scripting attacks against the users of the Mattermost server.
{
"versions": [
{
"introduced": "8.1.0"
},
{
"fixed": "8.1.10"
},
{
"introduced": "9.2.0"
},
{
"fixed": "9.2.6"
},
{
"introduced": "9.3.0"
},
{
"fixed": "9.3.2"
},
{
"introduced": "9.4.0"
},
{
"fixed": "9.4.3"
}
]
}