XSS in Roundcube Webmail

CVE-2024-42008

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 dangerou…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.342 (98.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-42008?
CVE-2024-42008 is a critical-severity vulnerability in Roundcube Webmail, classified under Cross-site Scripting. CVSS score: 9.3/10. Published 2024-08-05.
How severe is CVE-2024-42008?
Critical severity. CVSS v3 base score is 9.3 out of 10.
Is CVE-2024-42008 known to be exploited?
6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.