In a shared hosting environment that has been misconfigured to allow access to other users' content, a Moodle user with both access to restore database activity modules and direct access to the web server outside of the Moodle webroot could execute a local file include.
{
"versions": [
{
"introduced": "0"
},
{
"fixed": "4.1.10"
},
{
"introduced": "4.2.0"
},
{
"fixed": "4.2.7"
},
{
"introduced": "4.3.0"
},
{
"fixed": "4.3.4"
}
]
}