CVE-2024-42008

Roundcube Webmail cross-site scripting (XSS)

9.3 CRITICALEPSS 34.2%

Published5 Aug 2024

Description

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.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionRequired

ScopeChanged

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Affected products

Roundcube Webmail≥ 1.6.0 < 1.6.8 · < 1.5.8

Remediation

Fixed in

Roundcube Webmail≥ 1.6.8

Frequently asked

Is CVE-2024-42008 being actively exploited?

CVE-2024-42008 is not in the CISA KEV catalog. Its EPSS exploit probability is 34.2%.

How severe is CVE-2024-42008?

CVE-2024-42008 has a CVSS 3.1 base score of 9.3, rated critical. EPSS estimates a 34.2% probability of exploitation.

Which products are affected by CVE-2024-42008?

Affected products include Roundcube Webmail.

How do I fix CVE-2024-42008?

Upgrade affected software to a fixed version, for example Roundcube Webmail 1.6.8 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-42008 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.