# postorius (PyPI) vulnerabilities

2 known vulnerabilities (1 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 1.3.13 (Sep 21, 2024): affected by CVE-2026-44742
- Newest unaffected release: Every release is affected by at least one advisory
- Weekly downloads: 250
- Dependents: 1
- Releases: 35 since 1.0.0 (Apr 18, 2015)
- Registry: https://pypi.org/project/postorius/
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-44742: 1.0.0a2 to 1.3.13 (through the newest release)
- CVE-2021-40347: 1.0.0a2 to 1.3.4 (1.3.5 is outside it)

## Advisories (2)

### [CVE-2026-44742](https://cve.now/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…

- Severity: High 7.2
- Published: May 7, 2026
- Affected: through 1.3.13.
- No fix released. The latest release, 1.3.13, is still affected.

### [CVE-2021-40347](https://cve.now/CVE-2021-40347): An issue was discovered in views/list.py in GNU Mailman Postorius before 1.3.5.

- Severity: Unrated
- Published: Sep 10, 2021
- Affected: fixed in 1.3.5.
- Fixed in 1.3.5 (released Sep 5, 2021, 5 days before disclosure).
- The latest release, 1.3.13, is not affected.

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