{"schema":"threatline.record/2","record":{"id":"CVE-2023-37580","aliases":[],"summary":"Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability","details":"Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting vulnerability impacting the confidentiality and integrity of data.","categories":["Applications & CMS"],"product":"Zimbra Collaboration Suite (ZCS)","vendor":"Synacor","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-37580","source_modified_at":"2025-10-30T18:26:19.400Z","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":"2023-07-27","due_date":"2023-08-17","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.49083,"percentile":0.98883,"score_date":"2026-10-23"},"published_at":"2023-07-31T00:00:00.000Z","modified_at":"2025-10-30T18:26:19.400Z","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-2023-37580","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-30T18:26:19.400Z"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-37580.yaml","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":null},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2023-37580","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Nuclei","EPSS"],"references":[{"source":"CVE List","url":"https://wiki.zimbra.com/wiki/Security_Center","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-37580","source":"CISA KEV"},{"source":"CVE List","url":"https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy","tags":["x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-37580","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":"2025-01-27T22:24:58.396885Z"},"exploits":[{"source":"Nuclei","kind":"Scanner template","name":"Zimbra Collaboration Suite (ZCS) v.8.8.15 - Cross-Site Scripting","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-37580.yaml"}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-30T18:26:19.400Z","content_hash":"50753a1d99e388fd94365c6128a830be3afd85e5fb98375f2a1e86a50a7ff63a"}}