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.
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.
https://gitlab.com/mailman/postorius/-/issues/531 https://phabricator.wikimedia.org/T289798 https://gitlab.com/mailman/postorius/-/commit/0de3cdcdad974af76a9e197d2b9a46dfb2303bc8
Vulmon