The Timeline feature in my_view_page.php in MantisBT through 2.21.1 has a stored cross-site scripting (XSS) vulnerability, allowing execution of arbitrary code (if CSP settings permit it) after uploading an attachment with a crafted filename. The code is executed for any user having visibility to the issue, whenever My View Page is displayed.
{
"cpe": "cpe:2.3:a:mantisbt:mantisbt:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "2.13.0"
},
{
"last_affected": "2.21.1"
}
],
"source": [
"CPE_RANGE",
"REFERENCES"
]
}