{"api_version":"1","generated_at":"2026-04-17T06:03:21+00:00","cve":"CVE-2023-22843","urls":{"html":"https://cve.report/CVE-2023-22843","api":"https://cve.report/api/cve/CVE-2023-22843.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-22843","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-22843"},"summary":{"title":"CVE-2023-22843","description":"An authenticated attacker with administrative access to the appliance can inject malicious JavaScript code inside the definition of a Threat Intelligence rule, that will later be executed by another legitimate user viewing the details of such a rule.\nAn attacker may be able to perform unauthorized actions on behalf of legitimate users. JavaScript injection was possible in the content for Yara rules, while limited HTML injection has been proven for packet and STYX rules.\nThe injected code will be executed in the context of the authenticated victim's session.","state":"PUBLIC","assigner":"prodsec@nozominetworks.com","published_at":"2023-08-09 09:15:00","updated_at":"2023-08-16 21:06:00"},"problem_types":["CWE-79"],"metrics":[],"references":[{"url":"https://security.nozominetworks.com/NN-2023:4-01","name":"https://security.nozominetworks.com/NN-2023:4-01","refsource":"MISC","tags":[],"title":"NN-2023:4-01 - Stored Cross-Site Scripting (XSS) in Threat Intelligence rules in Guardian/CMC before 22.6.2 - CVE-2023-22843 | Product Security Incident Response Portal","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-22843","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-22843","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"22843","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"nozominetworks","cpe5":"cmc","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"22843","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"nozominetworks","cpe5":"guardian","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2023-22843","ASSIGNER":"prodsec@nozominetworks.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"An authenticated attacker with administrative access to the appliance can inject malicious JavaScript code inside the definition of a Threat Intelligence rule, that will later be executed by another legitimate user viewing the details of such a rule.\nAn attacker may be able to perform unauthorized actions on behalf of legitimate users. JavaScript injection was possible in the content for Yara rules, while limited HTML injection has been proven for packet and STYX rules.\nThe injected code will be executed in the context of the authenticated victim's session."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","cweId":"CWE-79"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"Nozomi Networks","product":{"product_data":[{"product_name":"Guardian","version":{"version_data":[{"version_affected":"<","version_name":"0","version_value":"22.6.2"}]}},{"product_name":"CMC","version":{"version_data":[{"version_affected":"<","version_name":"0","version_value":"22.6.2"}]}}]}}]}},"references":{"reference_data":[{"url":"https://security.nozominetworks.com/NN-2023:4-01","refsource":"MISC","name":"https://security.nozominetworks.com/NN-2023:4-01"}]},"generator":{"engine":"Vulnogram 0.1.0-dev"},"source":{"discovery":"INTERNAL"},"work_around":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Use internal firewall features to limit access to the web management interface.</p>"}],"value":"Use internal firewall features to limit access to the web management interface.\n\n"}],"solution":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Upgrade to v22.6.2 or later.</p>"}],"value":"Upgrade to v22.6.2 or later.\n\n"}],"credits":[{"lang":"en","value":"This issue was found by Stefano Libero of Nozomi Networks Product Security team during a scheduled internal VAPT testing session."}],"impact":{"cvss":[{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":6.4,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L","version":"3.1"}]}},"nvd":{"publishedDate":"2023-08-09 09:15:00","lastModifiedDate":"2023-08-16 21:06:00","problem_types":["CWE-79"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":4.8,"baseSeverity":"MEDIUM"},"exploitabilityScore":1.7,"impactScore":2.7}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:nozominetworks:cmc:*:*:*:*:*:*:*:*","versionEndExcluding":"22.6.2","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:nozominetworks:guardian:*:*:*:*:*:*:*:*","versionEndExcluding":"22.6.2","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}