CVE-2024-42009
Roundcube Webmail
RoundCube Webmail Cross-Site Scripting Vulnerability
What it is
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.
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vendor notices and references
- roundcube.net/news/2024/08/04/security-updates-1.6.8-and-1.5.8
- nvd.nist.gov/vuln/detail/CVE-2024-42009
Description and required action as published by CISA. Full record at NVD.
Other Roundcube entries on the list
- Webmail RoundCube Webmail Cross-site Scripting Vulnerability CVE-2025-68461 · Feb 20, 2026
- Webmail RoundCube Webmail Deserialization of Untrusted Data Vulnerability CVE-2025-49113 · Feb 20, 2026
- Webmail RoundCube Webmail Cross-Site Scripting (XSS) Vulnerability CVE-2024-37383 · Oct 24, 2024
- Webmail Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability CVE-2020-13965 · Jun 26, 2024
- Webmail Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability CVE-2023-43770 · Feb 12, 2024
- Webmail Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability CVE-2023-5631 · Oct 26, 2023