{"id":"CVE-2024-42009","url":"https://www.cyber-defence.io/tools/cve/CVE-2024-42009","generatedAt":"2026-10-31T09:13:30.699Z","title":"RoundCube Webmail Cross-Site Scripting Vulnerability","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.","published":"2024-08-05T19:15:38.000Z","lastModified":"2026-06-17T07:48:38.000Z","status":"Analyzed","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.3,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N"},"cwe":["CWE-79"],"affected":["roundcube/webmail"],"epss":{"score":0.82882,"percentile":0.99671,"date":"2026-10-30","history":[]},"kev":{"listed":true,"dateAdded":"2025-06-09","dueDate":"2025-06-30","knownRansomwareCampaignUse":"Unknown","notes":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.\nhttps://roundcube.net/news/2024/08/04/security-updates-1.6.8-and-1.5.8 ; https://nvd.nist.gov/vuln/detail/CVE-2024-42009"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 30 June 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"https://github.com/roundcube/roundcubemail/releases","tags":["Release Notes"],"source":"cve@mitre.org"},{"url":"https://github.com/roundcube/roundcubemail/releases/tag/1.5.8","tags":["Release Notes"],"source":"cve@mitre.org"},{"url":"https://github.com/roundcube/roundcubemail/releases/tag/1.6.8","tags":["Release Notes"],"source":"cve@mitre.org"},{"url":"https://roundcube.net/news/2024/08/04/security-updates-1.6.8-and-1.5.8","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://sonarsource.com/blog/government-emails-at-risk-critical-cross-site-scripting-vulnerability-in-roundcube-webmail/","tags":["Technical Description","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-42009","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-42009","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}