{"id":"CVE-2020-13965","aliases":["BIT-roundcube-2020-13965"],"url":"https://o3.security/vulnerability/CVE-2020-13965","summary":null,"details":"An issue was discovered in Roundcube Webmail before 1.3.12 and 1.4.x before 1.4.5. There is XSS via a malicious XML attachment because text/xml is among the allowed types for a preview.","published":"2020-06-09T03:15:11.250Z","modified":"2026-08-07T11:48:22.719061065Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":{"score":0.76596,"percentile":0.99517,"asOf":"2026-08-28"},"cisaKev":null,"exploitsKnown":2,"affectedPackages":[],"fix":{"url":"https://github.com/roundcube/roundcubemail/commit/884eb611627ef2bd5a2e20e02009ebb1eceecdc3","label":"roundcube/roundcubemail@884eb61"},"references":[{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-13965"},{"type":"ADVISORY","url":"https://github.com/roundcube/roundcubemail/releases/tag/1.3.12"},{"type":"ADVISORY","url":"https://github.com/roundcube/roundcubemail/releases/tag/1.4.5"},{"type":"ADVISORY","url":"https://roundcube.net/news/2020/06/02/security-updates-1.4.5-and-1.3.12"},{"type":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4700"},{"type":"FIX","url":"https://github.com/roundcube/roundcubemail/commit/884eb611627ef2bd5a2e20e02009ebb1eceecdc3"},{"type":"FIX","url":"https://github.com/roundcube/roundcubemail/compare/1.4.4...1.4.5"},{"type":"ARTICLE","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DLESQ4LPJGMSWHQ4TBRTVQRDG7IXAZCW/"},{"type":"ARTICLE","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ODPJXBHZ32QSP4MYT2OBCALYXSUJ47SK/"},{"type":"EVIDENCE","url":"https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-13965-Cross%20Site-Scripting%20via%20Malicious%20XML%20Attachment-Roundcube"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:48:22.719061065Z"}}