{"schema":"threatline.record/2","record":{"id":"CVE-2023-43770","aliases":[],"summary":"Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability","details":"Roundcube Webmail contains a persistent cross-site scripting (XSS) vulnerability that can lead to information disclosure via malicious link references in plain/text messages.","categories":["Applications & CMS"],"product":"Webmail","vendor":"Roundcube","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-43770","source_modified_at":"2025-10-21T23:05:36.969Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"n/a","vendor":"n/a","versions":[{"version":"n/a","status":"affected"}],"defaultStatus":null}],"fixed_versions":[],"cvss":6.1,"severity":"Medium","kev":{"listed":true,"date_added":"2024-02-12","due_date":"2024-03-04","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.6366,"percentile":0.99219,"score_date":"2026-10-23"},"published_at":"2023-09-22T00:00:00.000Z","modified_at":"2025-10-21T23:05:36.969Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2023-43770","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:05:36.969Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2023-43770","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://roundcube.net/news/2023/09/15/security-update-1.6.3-released","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-43770","source":"CISA KEV"},{"source":"CVE List","url":"https://github.com/roundcube/roundcubemail/commit/e92ec206a886461245e1672d8530cc93c618a49b","tags":["x_transferred"]},{"source":"CVE List","url":"https://lists.debian.org/debian-lts-announce/2023/09/msg00024.html","tags":["mailing-list","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-43770","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"partial","assessed_at":"2024-05-01T18:43:07.516175Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T23:05:36.969Z","content_hash":"41d802df3a3b38e255633c0278831069a5c9037d47104c1485a0ac3c77018d56"}}