CVSS 3.1
5.4 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:NCVE-2021-40347
Medium (5.4) in postorius project postorius. EPSS 1.2% chance of exploitation in the next 30 days. Fixed in postorius 1.3.5.
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.
Severity
- EPSS
- 1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)
- Published
- Modified
- Record from
- the NVD, synced
Affected
- postorius_project:postorius
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-v83x-78q3-gr2j | PyPI | postorius | <1.3.5 | 1.3.5 |
| PYSEC-2021-319 | PyPI | postorius | <1.3.5 | 1.3.5 |