CVE detail
CVE-2024-42009: RoundCube Webmail Cross-Site Scripting Vulnerability
Source: CISA Known Exploited Vulnerabilities catalog · back to feed
Vendor / product
Roundcube · Webmail
- Date added (KEV)
- Jun 09, 2025
- CISA due date
- Jun 30, 2025
- Ransomware campaign use
- Unknown
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.
Vendor fix: Vendor advisory
Scorifya interpretation
AI-generatedA short, structured read of the record above, generated when this page first loads, then cached for a week.
Plain English
Technical detail
From CISA
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.
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
See what attackers can see on your domain
This vulnerability is on CISA's Known Exploited Vulnerabilities list, so it is being exploited in the wild right now. Scorifya can't test for Roundcube directly, but in about 30 seconds it shows what your own domain exposes publicly across TLS, security headers, DNS, and cookies: the surface attackers probe first.
SOC 2 compliance
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See Scorifya Controls →References
- https://roundcube.net/news/2024/08/04/security-updates-1.6.8-and-1.5.8Vendor Advisory
- https://github.com/roundcube/roundcubemail/releasesRelease Notes
- https://github.com/roundcube/roundcubemail/releases/tag/1.5.8Release Notes
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.8Release Notes
- https://sonarsource.com/blog/government-emails-at-risk-critical-cross-site-scripting-vulnerability-in-roundcube-webmail/Technical DescriptionThird Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-42009US Government Resource
Other recent CVEs from Roundcube
- CVE-2025-49113Webmail, RoundCube Webmail Deserialization of Untrusted Data Vulnerability
- CVE-2025-68461Webmail, RoundCube Webmail Cross-site Scripting Vulnerability
- CVE-2024-37383Webmail, RoundCube Webmail Cross-Site Scripting (XSS) Vulnerability
- CVE-2020-13965Webmail, Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability
- CVE-2023-43770Webmail, Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability