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debian/postorius vulnerabilities

3 published CVES affecting debian/postorius, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).

Total
3
Critical
0
High
0
Medium
2
Low
0
Unscored
1
CISA KEV
0

Latest debian/postorius CVEs

Newest publication first

  1. CVE-2026-44742 Postorius is vulnerable to XSS

    Published
    MediumCVSS 6.1

    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.

  2. CVE-2021-40347 GNU Mailman Postorius Access Control Issues

    Published
    MediumCVSS 5.4

    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.

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.