HarborGuard / CVE
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HIGHCVE-2026-44742Published Modified CNA mitre

CVE-2026-44742: Postorius through 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.

Metrics

CVSS v3.1
7.2
Severity
HIGH
Fixed in
Affected Products
1
Affected packages
  • Postorius project / Postorius
    ≤ 1.3.13
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N