Cross-Site Scripting vulnerability in Roundcube
CVE-2024-42009

9.3CRITICAL

Key Information:

Vendor

Roundcube

Status
Vendor
CVE Published:
5 August 2024

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 30%📰 News Worthy

What is CVE-2024-42009?

A Cross-Site Scripting vulnerability exists in Roundcube Webmail versions up to 1.5.7 and 1.6.x before 1.6.8. This vulnerability allows a remote attacker to execute malicious scripts in the context of the user's session. By crafting a malicious email, an attacker can exploit desanitization issues in the message_body() function located in program/actions/mail/show.php, potentially gaining access to sensitive user information and enabling the theft of emails. This poses significant risks for individuals and organizations relying on Roundcube for their email communications.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

News Articles

Roundcube flaws allow easy email account compromise (CVE-2024-42009, CVE-2024-42008) - Help Net Security

Roundcube XSS vulnerabilities (CVE-2024-42009, CVE-2024-42008) could be exploited to steal users' emails and contacts, and send emails.

References

EPSS Score

30% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • 📰

    First article discovered by Help Net Security

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2024-42009 : Cross-Site Scripting vulnerability in Roundcube