{"cveID":"CVE-2023-34192","vendorProject":"Synacor","product":"Zimbra Collaboration Suite (ZCS)","vulnerabilityName":"Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability","dateAdded":"2025-02-25","shortDescription":"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.","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","dueDate":"2025-03-18","knownRansomwareCampaignUse":"Unknown","notes":"https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories ; https://nvd.nist.gov/vuln/detail/CVE-2023-34192","cwes":["CWE-79"],"year":2023,"state":"mapped","stale_reasons":[],"mappings":[{"domain":"enterprise","cve":"CVE-2023-34192","technique":"T1055","technique_name_at_mapping":"Process Injection","mapping_type":"exploitation_technique","capability_group":"xss","comments":"The /h/autoSaveDraft function in Zimbra Collaboration Suite can be targeted by an authenticated attacker's malicious scripts, facilitating arbitrary code execution, as well as session cookie theft.","references":["https://www.helpnetsecurity.com/2023/07/17/cve-2023-34192/"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-enterprise.json","attack_version":"16.1","kev_snapshot":"07/28/2025"},{"domain":"enterprise","cve":"CVE-2023-34192","technique":"T1059","technique_name_at_mapping":"Command and Scripting Interpreter","mapping_type":"primary_impact","capability_group":"xss","comments":"The /h/autoSaveDraft function in Zimbra Collaboration Suite can be targeted by an authenticated attacker's malicious scripts, facilitating arbitrary code execution, as well as session cookie theft.","references":["https://www.helpnetsecurity.com/2023/07/17/cve-2023-34192/"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-enterprise.json","attack_version":"16.1","kev_snapshot":"07/28/2025"},{"domain":"enterprise","cve":"CVE-2023-34192","technique":"T1185","technique_name_at_mapping":"Browser Session Hijacking","mapping_type":"secondary_impact","capability_group":"xss","comments":"The /h/autoSaveDraft function in Zimbra Collaboration Suite can be targeted by an authenticated attacker's malicious scripts, facilitating arbitrary code execution, as well as session cookie theft.","references":["https://www.helpnetsecurity.com/2023/07/17/cve-2023-34192/"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-enterprise.json","attack_version":"16.1","kev_snapshot":"07/28/2025"}],"techniques":[{"id":"T1055","domains":["enterprise"],"in_current_bundle":true,"live":true,"name_now":"Process Injection","name_at_mapping":"Process Injection","renamed":false,"revoked_by":null,"mapping_types":["exploitation_technique"],"sigma_rule_count":37,"has_detection_strategy":true},{"id":"T1059","domains":["enterprise"],"in_current_bundle":true,"live":true,"name_now":"Command and Scripting Interpreter","name_at_mapping":"Command and Scripting Interpreter","renamed":false,"revoked_by":null,"mapping_types":["primary_impact"],"sigma_rule_count":95,"has_detection_strategy":true},{"id":"T1185","domains":["enterprise"],"in_current_bundle":true,"live":true,"name_now":"Browser Session Hijacking","name_at_mapping":"Browser Session Hijacking","renamed":false,"revoked_by":null,"mapping_types":["secondary_impact"],"sigma_rule_count":2,"has_detection_strategy":true}],"mapping_types":["exploitation_technique","primary_impact","secondary_impact"],"has_exploitation_technique":true,"mapping_attack_versions":["16.1"],"mapping_domains":["enterprise"],"sigma_coverage":"full","sigma_rules_tagged_cve":[],"added_after_mapping_snapshot":false,"_source":"kevmap","_built":"2026-08-24 19:45 UTC","_attack_version":"19.2"}