{"id":"CVE-2023-5631","aliases":["BIT-roundcube-2023-5631"],"url":"https://o3.security/vulnerability/CVE-2023-5631","summary":"Stored XSS vulnerability in Roundcube","details":"Roundcube before 1.4.15, 1.5.x before 1.5.5, and 1.6.x before 1.6.4 allows stored XSS via an HTML e-mail message with a crafted SVG document because of program/lib/Roundcube/rcube_washtml.php behavior. This could allow a remote attacker\n\nto load arbitrary JavaScript code.","published":"2023-10-18T14:51:18.443Z","modified":"2026-10-21T02:50:23.181148742Z","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":0.75873,"percentile":0.99487,"asOf":"2026-08-27"},"cisaKev":{"dateAdded":"2023-10-26","dueDate":"2023-11-16","knownRansomwareCampaignUse":false},"exploitsKnown":3,"affectedPackages":[],"fix":{"url":"https://github.com/roundcube/roundcubemail/commit/41756cc3331b495cc0b71886984474dc529dd31d","label":"roundcube/roundcubemail@41756cc"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2023/11/01/1"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2023/11/01/3"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2023/11/17/2"},{"type":"WEB","url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1054079"},{"type":"WEB","url":"https://github.com/roundcube/roundcubemail/releases/tag/1.4.15"},{"type":"WEB","url":"https://github.com/roundcube/roundcubemail/releases/tag/1.5.5"},{"type":"WEB","url":"https://github.com/roundcube/roundcubemail/releases/tag/1.6.4"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00035.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LK67Q46OIEGJCRQUBHKLH3IIJTBNGGX4/"},{"type":"WEB","url":"https://roundcube.net/news/2023/10/16/security-update-1.6.4-released"},{"type":"WEB","url":"https://roundcube.net/news/2023/10/16/security-updates-1.5.5-and-1.4.15"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-5631"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5631.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5631"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5531"},{"type":"REPORT","url":"https://github.com/roundcube/roundcubemail/issues/9168"},{"type":"FIX","url":"https://github.com/roundcube/roundcubemail/commit/41756cc3331b495cc0b71886984474dc529dd31d"},{"type":"FIX","url":"https://github.com/roundcube/roundcubemail/commit/6ee6e7ae301e165e2b2cb703edf75552e5376613"},{"type":"PACKAGE","url":"https://github.com/roundcube/roundcubemail"}],"provenance":{"sources":["OSV.dev","CISA KEV","FIRST.org (EPSS)"],"lastVerified":"2026-10-21T02:50:23.181148742Z"}}