Stored XSS in mailcow Quarantine Attachment Filename with POC

github.com 2026-04-22查看中文 →

Security AdvisoryHighmailcow

Affected:

mailcow/mailcow-dockerized < 2026-03b

Fixed in:

mailcow/mailcow-dockerized >= 2026-03b

Referenced CVEs: CVE-2026-40873

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