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Cover image for CVE-2024-42009: RoundCube Webmail Cross-Site Scripting Vulnerability
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Posted on • Originally published at scyscan.com

CVE-2024-42009: RoundCube Webmail Cross-Site Scripting Vulnerability

CVE ID

CVE-2024-42009

Vulnerability Name

RoundCube Webmail Cross-Site Scripting Vulnerability

  • Project: Roundcube
  • Product: Webmail

Date

  • Date Added: 2025-06-09
  • Due Date: 2025-06-30

Description

RoundCube Webmail contains a cross-site scripting vulnerability. This vulnerability could allow a remote attacker to steal and send emails of a victim via a crafted e-mail message that abuses a Desanitization issue in message_body() in program/actions/mail/show.php.

Known To Be Used in Ransomware Campaigns?

Unknown

Action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Additional Notes

https://roundcube.net/news/2024/08/04/security-updates-1.6.8-and-1.5.8 ; https://nvd.nist.gov/vuln/detail/CVE-2024-42009

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