CVE-2024-42009 — RoundCube Webmail Cross-Site Scripting Vulnerability
CVE-2024-42009: RoundCube Webmail Cross-Site Scripting Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Roundcube |
| Product | Webmail |
| Date added | 2025-06-09 |
| Due date | 2025-06-30 |
| Ransomware campaign use | Unknown |
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.
Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
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
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-42009
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog