CVE-2024-42009
RoundCube Webmail Cross-Site Scripting Vulnerability
Published Aug 5, 2024 · updated Jun 17, 2026 · CERT-FR webmail
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.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Aug 5, 2024 · Catalog
Detected
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.
Jun 9, 2025 · CISA KEV
Known exploited
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Jun 30, 2025 · CISA KEV
Remediation due
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Jun 17, 2026 · Catalog
Updated
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.
Required 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.
CISA due date Jun 30, 2025
Affected
- cpe roundcube/webmailversion unspecified
- vendor Roundcube Webmailversion unspecified
Sources
- CERT-FRGovernment advisoryCVE-2024-42009
Le 4 août 2024, Roundcube a publié des correctifs concernant les vulnérabilités critiques CVE-2024-42008 et CVE-2024-42009 affectant son serveur de courriel. Ces vulnérabilités permettent des injections de code indirectes à distance (XSS) qui peuvent, par exemple, conduire à la r
cert.ssi.gouv.fr - CISA KEVConfirmed exploitationCVE-2024-42009
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.
cisa.gov - CVE.orgVulnerability recordCVE-2024-42009
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2024-42009
30-day exploitation probability 82.9%
first.org - NIST NVDVulnerability recordCVE-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.
nvd.nist.gov