Postorius Project

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    CVE-2026-44742

    Unescaped HTML in Message Subject Enables XSS via Held Messages Pop‑up

    Last Modified: May 26, 2026
    Published: May 07, 2026

    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.

    Last Modified: Nov 21, 2024
    Published: Sep 10, 2021
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