lib/DocumentToText.php in OpenCats before 0.9.4-3 has XXE that allows remote users to read files on the underlying operating system. The attacker must upload a file in the docx or odt format.
{
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "0.9.4-3"
}
],
"source": "CPE_RANGE",
"cpe": "cpe:2.3:a:opencats:opencats:*:*:*:*:*:*:*:*"
}