{"cve_id":"CVE-2020-35730","published":"2020-12-28T20:15:13.150000+00:00","last_modified":"2026-06-17T03:14:12.273000+00:00","vuln_status":"Analyzed","description":"An XSS issue was discovered in Roundcube Webmail before 1.2.13, 1.3.x before 1.3.16, and 1.4.x before 1.4.10. The attacker can send a plain text e-mail message, with JavaScript in a link reference element that is mishandled by linkref_addindex in rcube_string_replacer.php.","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","base_score":6.1,"base_severity":"MEDIUM","attack_vector":"NETWORK","privileges_req":"NONE","user_interaction":"REQUIRED","scope":"CHANGED","impact_c":"LOW","impact_i":"LOW","impact_a":"NONE","cwe_ids":["CWE-79"],"in_kev":true,"kev_date_added":"2023-06-22","kev_ransomware":false,"epss_score":0.3292,"epss_percentile":0.98356,"cap_rule_version":"0.1.1","stage":"CRED_ACCESS","req_access":"NONE","req_vector":"NETWORK","req_user_interaction":true,"grant_access":"NONE","caps":["CRED_ACCESS","INFO_DISCLOSURE","TAMPER"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T09:29:21.966562+00:00","first_seen":"2020-12-28T20:15:13.150000+00:00","kev_first_seen":"2023-06-22T00:00:00+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":["9.0"]},{"vendor":"fedoraproject","product":"fedora","ranges":["32","33"]},{"vendor":"roundcube","product":"webmail","ranges":["< 1.2.13","≥ 1.3.0 and < 1.3.16","≥ 1.4 and < 1.4.10"]}]}