{"cve":"CVE-2023-43770","nvd":{"published":"2023-09-22T06:15:10.090","modified":"2026-06-17T06:26:24.770","status":"Analyzed","description":"Roundcube before 1.4.14, 1.5.x before 1.5.4, and 1.6.x before 1.6.3 allows XSS via text/plain e-mail messages with crafted links because of program/lib/Roundcube/rcube_string_replacer.php behavior.","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://github.com/roundcube/roundcubemail/commit/e92ec206a886461245e1672d8530cc93c618a49b","https://lists.debian.org/debian-lts-announce/2023/09/msg00024.html","https://roundcube.net/news/2023/09/15/security-update-1.6.3-released","https://github.com/roundcube/roundcubemail/commit/e92ec206a886461245e1672d8530cc93c618a49b","https://lists.debian.org/debian-lts-announce/2023/09/msg00024.html"],"products":["debian:debian_linux","roundcube:webmail"],"source":"nvd","synced_at":"2026-10-19T21:39:34.467980132+00:00"},"epss":{"cve":"CVE-2023-43770","score":0.6366,"percentile":0.99217,"date":"2026-11-01"},"kev":{"cve":"CVE-2023-43770","date_added":"2024-02-12","due_date":"2024-03-04","vendor":"Roundcube","product":"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."]}