CVE-2026-107393mediumCWE-116CWE-79

CVE-2026-107393: falha de média gravidade em freescout-help-desk freescout

FreeScout: Stored HTML Injection in Administrator Alert Emails via Spoofed CF-Connecting-IP Header

Publicada em · Atualizada em

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Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.

13Vexday Risk Score

Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.

ssvc Trackcvss 6.1epss 0.2%
FreeScout is a self-hosted help desk and shared mailbox. Prior to 1.8.235, when APP_CLOUDFLARE_IS_USED is enabled, FreeScout trusts an unvalidated CF-Connecting-IP header during failed login attempts and stores the spoofed value in the activity log. LogsMonitor inserts the value into an administrator alert email without HTML escaping, allowing injected HTML to execute when an administrator opens the email. This issue is fixed in version 1.8.235.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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freescout-help-desk · freescout
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