{"id":"CVE-2023-34192","aliases":["EUVD-2023-38291","GHSA-77v2-mcx8-5hqm"],"status":"published","title":"Cross Site Scripting vulnerability in Zimbra ZCS v.8.8.15 allows a remote authenticated attacker...","description":"Cross Site Scripting vulnerability in Zimbra ZCS v.8.8.15 allows a remote authenticated attacker to execute arbitrary code via a crafted script to the /h/autoSaveDraft function.","severity":{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.77266,"percentile":0.99559,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-07-06T00:00:00Z","modified":"2026-10-28T02:30:25Z","kev":{"date_added":"2025-02-25","due_date":"2025-03-18","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2025-02-25"},{"source":"kev","since":"2025-02-25"}],"exploits":[{"source":"nuclei","id":"CVE-2023-34192","title":"Zimbra Collaboration Suite (ZCS) v.8.8.15 - Cross-Site Scripting","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-34192.yaml"}],"products":[{"vendor":"synacor","product":"zimbra collaboration suite (zcs)"},{"vendor":"synacor","product":"zimbra_collaboration_suite"}],"references":[{"url":"https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories","tags":["x_transferred","Vendor Advisory","web"]},{"url":"https://wiki.zimbra.com/wiki/Security_Center","tags":["x_transferred","Release Notes","Vendor Advisory","web"]},{"url":"https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy","tags":["x_transferred","Not Applicable","web"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-34192","tags":["government-resource","US Government Resource","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-34192","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-77v2-mcx8-5hqm"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/34xxx/CVE-2023-34192.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-34192","description":"Cross Site Scripting vulnerability in Zimbra ZCS v.8.8.15 allows a remote authenticated attacker to execute arbitrary code via a crafted script to the /h/autoSaveDraft function.","status":"published","published":"2023-07-06T00:00:00Z","modified":"2025-10-21T23:05:44.005Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:35.912488Z"}],"euvd":[{"id":"EUVD-2023-38291","description":"Cross Site Scripting vulnerability in Zimbra ZCS v.8.8.15 allows a remote authenticated attacker to execute arbitrary code via a crafted script to the /h/autoSaveDraft function.","status":"published","published":"2023-07-06T00:00:00Z","modified":"2025-10-21T23:05:44Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical"}],"exploited_since":"2025-02-25","updated_at":"2026-11-02T20:31:27.312976Z"}],"ghsa":[{"id":"GHSA-77v2-mcx8-5hqm","title":"Cross Site Scripting vulnerability in Zimbra ZCS v.8.8.15 allows a remote authenticated attacker...","description":"Cross Site Scripting vulnerability in Zimbra ZCS v.8.8.15 allows a remote authenticated attacker to execute arbitrary code via a crafted script to the /h/autoSaveDraft function.","status":"published","published":"2023-07-06T18:30:51Z","modified":"2025-10-22T00:32:45Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:04:06.493434Z"}],"kev":[{"id":"CVE-2023-34192","title":"Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability","description":"Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting (XSS) vulnerability that allows a remote authenticated attacker to execute arbitrary code via a crafted script to the /h/autoSaveDraft function.","cwes":["CWE-79"],"kev":{"date_added":"2025-02-25","due_date":"2025-03-18","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:15.999436Z"}],"nvd":[{"id":"CVE-2023-34192","description":"Cross Site Scripting vulnerability in Zimbra ZCS v.8.8.15 allows a remote authenticated attacker to execute arbitrary code via a crafted script to the /h/autoSaveDraft function.","status":"published","published":"2023-07-06T16:15:10.047Z","modified":"2026-06-17T06:03:05.923Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:08:15.127597Z"}],"osv":[{"id":"CVE-2023-34192","description":"Cross Site Scripting vulnerability in Zimbra ZCS v.8.8.15 allows a remote authenticated attacker to execute arbitrary code via a crafted script to the /h/autoSaveDraft function.","status":"published","published":"2023-07-06T00:00:00Z","modified":"2026-10-28T02:30:25.202834298Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:32.116263Z"}]}}