CISA Known Exploited Vulnerability

This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.

Remediation Deadline: Jun 30, 2025

CVE-2024-42009

High

EPSS 91.2%CISA KEV

Description

RoundCube Webmail contains a cross-site scripting vulnerability. This vulnerability could allow 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.

EPSS — Exploit Probability

91.2%

Higher than 99.6% of all CVEs

Required Action

https://roundcube.net/news/2024/08/04/security-updates-1.6.8-and-1.5.8 ; https://nvd.nist.gov/vuln/detail/CVE-2024-42009

Risk Assessment

HIGH

In CISA KEV

High EPSS

Details

Severity: High
EPSS: 91.2%
CISA KEV: Yes
Ransomware: Unknown
Articles: 0

Timeline

Published

Jun 9, 2025

Added to KEV

Jun 9, 2025

Remediation Due

Jun 30, 2025

Affected Product

Roundcube

Webmail

View all Roundcube CVEs

External Links

NVD (NIST)CVE Details MITRE CVE