{"cve_id":"CVE-2023-5631","published":"2023-10-18T15:15:08.727000+00:00","last_modified":"2026-06-17T06:48:58.673000+00:00","vuln_status":"Analyzed","description":"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.","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","base_score":5.4,"base_severity":"MEDIUM","attack_vector":"NETWORK","privileges_req":"LOW","user_interaction":"REQUIRED","scope":"CHANGED","impact_c":"LOW","impact_i":"LOW","impact_a":"NONE","cwe_ids":["CWE-79"],"in_kev":true,"kev_date_added":"2023-10-26","kev_ransomware":false,"epss_score":0.76337,"epss_percentile":0.99539,"cap_rule_version":"0.1.1","stage":"CRED_ACCESS","req_access":"USER","req_vector":"NETWORK","req_user_interaction":true,"grant_access":"USER","caps":["CRED_ACCESS","INFO_DISCLOSURE","TAMPER"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T10:41:53.964403+00:00","first_seen":"2023-10-18T15:15:08.727000+00:00","kev_first_seen":"2023-10-26T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["debian","fedoraproject","roundcube"],"products":["debian_linux","fedora","webmail"],"affected":[{"vendor":"debian","product":"debian_linux","ranges":["10.0","11.0","12.0"]},{"vendor":"fedoraproject","product":"fedora","ranges":["39"]},{"vendor":"roundcube","product":"webmail","ranges":["< 1.4.15","≥ 1.5.0 and < 1.5.5","≥ 1.6.0 and < 1.6.4"]}]}