If the algebra filter was enabled but not functional (eg the necessary binaries were missing from the server), it presented an XSS risk.
{
"versions": [
{
"introduced": "0"
},
{
"fixed": "3.9.20"
},
{
"introduced": "0"
},
{
"fixed": "3.11.13"
},
{
"introduced": "0"
},
{
"fixed": "4.0.7"
},
{
"introduced": "0"
},
{
"last_affected": "3.9.0-NA"
},
{
"introduced": "0"
},
{
"last_affected": "3.11.0-NA"
},
{
"introduced": "0"
},
{
"last_affected": "4.0.0-NA"
},
{
"introduced": "0"
},
{
"last_affected": "4.1.0-NA"
},
{
"introduced": "0"
},
{
"last_affected": "4.1.1"
}
]
}