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Postorius project

1 known vulnerabilities.

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High 7.2

CVE-2026-44742

Postorius is vulnerable to XSS

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.

Postorius project Postorius postorius postorius Debian Ubuntu PyPI

May 7, 2026