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CVE-2024-42009

View the latest critical CVEs issued
This is a free service offered by Red Hot Cyber to the community. It allows you to view, on a single page, information about a single CVE from the National Vulnerability Database (NVD) and the National Institute of Standards and Technology (NIST) of the United States of America, the Forum of Incident Response and Security Teams (FIRST) regarding the EPSS score and percentile, data from the KEV catalog of the Cybersecurity and Infrastructure Security Agency (CISA), as well as selected resources from Red Hot Cyber and other international sources.

HTTP error from NVD (Code: 429): error code: 1015


FIRST Information

EPSS Score: 0.9122

The **EPSS (Exploit Prediction Scoring System)** is a score from **0 to 1** that indicates the **probability** that a vulnerability will be exploited in the real world in the next 30 days. A higher value indicates a greater likelihood of exploitation.

Value
0.00.250.50.751.0

Percentile: 0.9964

The **Percentile** indicates how much higher this vulnerability's EPSS score is compared to all other vulnerabilities in the EPSS database. For example, a percentile of 0.90 (90%) means that 90% of vulnerabilities have an EPSS score equal to or lower than the current one.

Value
0.00.250.50.751.0

*Data updated as of: 2026-02-06


CISA Information (Known Exploited Vulnerabilities)

The **CISA KEV Catalog** lists vulnerabilities that have been **actively exploited in the real world**. If a CVE is present in this catalog, it indicates that the threat is immediate and mitigation should be a top priority.

CVE **CVE-2024-42009** **IS PRESENT** in the CISA KEV Catalog!

  • Vulnerability Name: RoundCube Webmail Cross-Site Scripting Vulnerability
  • Short 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.
  • Date Added to KEV: 06/09/2025
  • Vendor/Product: Roundcube / Webmail
  • 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.
  • Due Date: 06/30/2025

Articles published on Red Hot Cyber


Exploit PoC from GitHub

  • DaniTheHack3r/CVE-2024-42009-PoC: CVE-2024-42009 Proof of Concept
  • 0xbassiouny1337/CVE-2024-42009: This script exploits a stored XSS vulnerability (CVE-2024-42009) in Roundcube Webmail version 1.6.7. It injects a malicious payload into the webmail system, which, when triggered, exfiltrates email content from the victim’s inbox.
  • Bhanunamikaze/CVE-2024-42009: This Proof of Concept (PoC) demonstrates an exploit for CVE-2024-42009, leveraging a cross-site scripting (XSS) vulnerability to extract emails from a target webmail application. The attack injects a malicious payload that exfiltrates email content to an attacker-controlled listener.
  • Shubhankargupta691/CVE-2024-42009:
  • Foxer131/CVE-2024-42008-9-exploit: The scripts in this repository are made to abuse CVE-2024-42008 and CVE-2024-42009. Both of these CVEs are vulnerabilities found on Roundcube 1.6.7