CVE-2021-40347
Medium
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.
SeverityMedium
CVSS5.4
Exploit probability—
ProductPostorius
PublishedSep 10, 2021
First seenSep 10, 2021
How to fix
Update
- postorius_project postorius1.3.5 or later
- postorius1.3.5 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| postorius_project postorius | v < 1.3.5 | 1.3.5 |
| postoriusPyPI | v < 1.3.5 | 1.3.5 |
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