CVSS 3.1
9.3 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:NCVE-2024-42009
Critical (9.3) in Roundcube Webmail. In CISA KEV since 2025-06-09. EPSS 83% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 83% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
- CISA KEV
- listed 2025-06-09, due 2025-06-30
- CWE
- CWE-79
- Published
- Modified
- Record from
- the NVD, synced
Affected
- roundcube:webmail
References
- https://github.com/roundcube/roundcubemail/releases
- https://github.com/roundcube/roundcubemail/releases/tag/1.5.8
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.8
- https://roundcube.net/news/2024/08/04/security-updates-1.6.8-and-1.5.8
- https://sonarsource.com/blog/government-emails-at-risk-critical-cross-site-scripting-vulnerability-in-roundcube-webmail/