The remote Debian 12 / 13 host has a package installed that is affected by a vulnerability as referenced in the dsa-6257 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6257-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     May 08, 2026                          https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : postorius     CVE ID         : CVE-2026-44742

    A cross-site scripting vulnerability was discovered in Postorius, the     administrative web frontend for Mailman 3.

    For the oldstable distribution (bookworm), this problem has been fixed     in version 1.3.8-3+deb12u1.

    For the stable distribution (trixie), this problem has been fixed in     version 1.3.13-1+deb13u1.

    We recommend that you upgrade your postorius packages.

    For the detailed security status of postorius please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/postorius

    Further information about Debian Security Advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

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Debian dsa-6257 : python3-django-postorius - security update

medium Nessus Plugin ID 313419

Version 1.2