CVE-2024-42009

roundcube: A Cross-Site Scripting vulnerability in Roundcube through 1.5.7 and 1.6.x through 1.6.7 allows a remote attacker to s...

CVE-2024-42009 is fixed in 7 products on 1 platform, first by roundcube 1.6.6+dfsg-2ubuntu0.1+esm1, released August 5, 2024. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on June 9, 2025. Patch Radar priority: Patch now.

Patch nowCISA KEV

CVSS

9.3

critical

Exploitation

Exploited

Listed by CISA

CISA KEV

Jun 9, 2025

Federal due date Jun 30, 2025

EPSS

0.8288

99th percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
roundcube · Debian 12.15 (bookworm)	1.6.5+dfsg-1+deb12u3	DEBIAN-CVE-2024-42009	Aug 5, 2024
roundcube · Debian 13.5 (trixie)	1.6.8+dfsg-1	DEBIAN-CVE-2024-42009	Aug 5, 2024
roundcube · Debian 14	1.6.8+dfsg-1	DEBIAN-CVE-2024-42009	Aug 5, 2024
roundcube · Ubuntu 24.04.5 LTS (noble)	1.6.6+dfsg-2ubuntu0.1+esm1	roundcube 1.6.6+dfsg-2ubuntu0.1+esm1	Aug 5, 2024
roundcube-core · Ubuntu 24.04.5 LTS (noble)	1.6.6+dfsg-2ubuntu0.1+esm1	roundcube-core 1.6.6+dfsg-2ubuntu0.1+esm1	Aug 5, 2024
roundcube-mysql · Ubuntu 24.04.5 LTS (noble)	1.6.6+dfsg-2ubuntu0.1+esm1	roundcube-mysql 1.6.6+dfsg-2ubuntu0.1+esm1	Aug 5, 2024
roundcube-pgsql · Ubuntu 24.04.5 LTS (noble)	1.6.6+dfsg-2ubuntu0.1+esm1	roundcube-pgsql 1.6.6+dfsg-2ubuntu0.1+esm1	Aug 5, 2024
roundcube-plugins · Ubuntu 24.04.5 LTS (noble)	1.6.6+dfsg-2ubuntu0.1+esm1	roundcube-plugins 1.6.6+dfsg-2ubuntu0.1+esm1	Aug 5, 2024
roundcube-sqlite3 · Ubuntu 24.04.5 LTS (noble)	1.6.6+dfsg-2ubuntu0.1+esm1	roundcube-sqlite3 1.6.6+dfsg-2ubuntu0.1+esm1	Aug 5, 2024
roundcubemail · opensuse-leap 15.6	1.6.8-bp156.2.3.1	OPENSUSE-SU-2024:0328-1	Oct 9, 2024

Details

Published
August 5, 2024
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
CISA 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.

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