The usermacros resource in Atlassian Confluence Server before version 6.3.4 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability through the description of a macro.
[
{
"product": "Confluence",
"vendor": "Atlassian",
"versions": [
{
"status": "affected",
"version": "prior to 6.3.4"
}
]
}
]