CVSS v3
9.3
CRITICAL
EPSS Score
91.2 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
A Cross-Site Scripting vulnerability in Roundcube through 1.5.7 and 1.6.x through 1.6.7 allows 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.
CISA Known Exploited Vulnerability
- Date Added
- 2025-06-09
- Patch Due Date
- 2025-06-30
- Ransomware Use
- Unknown
Technical details
- Published
- 2024-08-05
- CERT-FR Advisory
- CERTFR-2024-ALE-010
- CERT-FR Link
- CERTFR-2024-ALE-010
Frequently asked questions
What is CVE-2024-42009?
A Cross-Site Scripting vulnerability in Roundcube through 1.5.7 and 1.6.x through 1.6.7 allows 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.
Is CVE-2024-42009 actively exploited?
Yes. CVE-2024-42009 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 6/30/2025.
What is the CVSS score for CVE-2024-42009?
CVE-2024-42009 has a CVSS v3 base score of 9.3 (CRITICAL severity).
Is CVE-2024-42009 affecting your environment?
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