Description
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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://gitlab.com/mailman/postorius/-/issues/531 ↗
- https://phabricator.wikimedia.org/T289798 ↗
- https://gitlab.com/mailman/postorius/-/tags ↗
- https://www.debian.org/security/2021/dsa-4970 ↗
- https://gitlab.com/mailman/postorius/-/commit/3d880c56b58bc26b32eac0799407d74b64b7474b ↗
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993746 ↗