{"cve":"CVE-2020-35730","nvd":{"published":"2020-12-28T20:15:13.150","modified":"2026-06-17T03:14:12.273","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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=978491","https://github.com/roundcube/roundcubemail/compare/1.4.9...1.4.10","https://github.com/roundcube/roundcubemail/releases/tag/1.2.13","https://github.com/roundcube/roundcubemail/releases/tag/1.3.16","https://github.com/roundcube/roundcubemail/releases/tag/1.4.10"],"products":["debian:debian_linux","fedoraproject:fedora","roundcube:webmail"],"source":"nvd","synced_at":"2026-10-19T21:12:09.559580076+00:00"},"epss":{"cve":"CVE-2020-35730","score":0.3292,"percentile":0.98356,"date":"2026-11-01"},"kev":{"cve":"CVE-2020-35730","date_added":"2023-06-22","due_date":"2023-07-13","vendor":"Roundcube","product":"Roundcube Webmail","known_ransomware":false},"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}