A Cross-Site Scripting vulnerability in rcmail_action_mail_get->run() 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 malicious e-mail attachment served with a dangerous Content-Type header.

References

• https://nvd.nist.gov/vuln/detail/CVE-2024-42008
• 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