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Package · Debian

postorius

2 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

2 results · Feed

  • High 7.2
    CVE-2026-44742

    Postorius is vulnerable to XSS

    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.

    Postorius project Postorius postorius postorius Debian Ubuntu PyPI
  • Medium 5.4
    CVE-2021-40347

    GNU Mailman Postorius Access Control Issues

    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 …

    postorius postorius postorius Debian Ubuntu PyPI