In the Convention plugin in Apache Struts 2.3.x before 2.3.31, and 2.5.x before 2.5.5, it is possible to prepare a special URL which will be used for path traversal and execution of arbitrary code on server side.
[
{
"product": "Apache Struts",
"vendor": "Apache Software Foundation",
"versions": [
{
"status": "affected",
"version": "2.3.x before 2.3.31"
},
{
"status": "affected",
"version": "2.5.x before 2.5.5"
}
]
}
]