Moole Vulnerability Database

Find real vulnerabilities before they ship

Medium

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 wild in May 2026.

VectorNETWORK

PublishedMay 07, 2026, 19:16

Published Bycve@mitre.org

Base Score

Score6.1

Affected Versions

Package (Ecosystem)IntroducedFixedLimit

postorius(PyPI)0N/AN/A

References

https://gitlab.com/mailman/postorius/-/commit/c4706abd05ba6bcf472fc674b160d3a9d6a4868b
https://gitlab.com/mailman/postorius/-/issues/620
https://gitlab.com/mailman/postorius/-/merge_requests/972
https://www.openwall.com/lists/oss-security/2026/05/07/3

Weakness Type

CWE-79

CVSS Metrics

Base Score

6.1

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Base SeverityMedium

Version

3.1

Attack Vector (AV)

NETWORK