An issue was discovered in views/list.py in GNU Mailman Postorius before 1.3.5. An attacker (logged into any account) can send a crafted POST request to unsubscribe any user from a mailing list, also revealing whether that address was subscribed in the first place.
{
"extracted_events": [
{
"cpe": "cpe:2.3:a:postorius_project:postorius:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "1.3.5"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "3d880c56b58bc26b32eac0799407d74b64b7474b"
}
],
"source": "REFERENCES_COMMIT"
}
]
}