This page aggregates publicly disclosed CVE and security risk information related to postorius_project, with CVSS, EPSS, publication dates, and vulnerability intelligence data to help assess potential risk and remediation priority.
| CVE | Summary | Source | Max CVSS | EPSS % | Published | Updated |
|---|---|---|---|---|---|---|
| CVE-2026-44742 | Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild in May 2026. | [email protected] | 7.2 | 0.24% | 2026-05-07 | 2026-06-17 |
| CVE-2021-40347 | 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. | [email protected] | 5.4 | 1.09% | 2021-09-10 | 2026-06-17 |