CVE-2024-42009

9.3 CRITICAL CISA KEV - Actively Exploited
Published: August 05, 2024 Modified: November 04, 2025
View on NVD

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/roundcube/roundcubemail/releases
Source: cve@mitre.org
Release Notes
https://github.com/roundcube/roundcubemail/releases/tag/1.5.8
Source: cve@mitre.org
Release Notes
https://github.com/roundcube/roundcubemail/releases/tag/1.6.8
Source: cve@mitre.org
Release Notes
https://roundcube.net/news/2024/08/04/security-updates-1.6.8-and-1.5.8
Source: cve@mitre.org
Vendor Advisory
https://sonarsource.com/blog/government-emails-at-risk-critical-cross-site-scripting-vulnerability-in-roundcube-webmail/
Source: cve@mitre.org
Technical Description Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-42009
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.3 / 10.0
EPSS (Exploit Probability)
90.7%
100th percentile
Exploitation Status
Actively Exploited
Remediation due: 2025-06-30

Weaknesses (CWE)

CWE-79 CWE-79

Affected Vendors

roundcube

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