{"dataType": "CVE_RECORD", "cveMetadata": {"cveId": "CVE-2026-50591", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "state": "PUBLISHED", "assignerShortName": "mitre", "dateReserved": "2026-06-05T01:51:59.602Z", "datePublished": "2026-06-05T01:52:00.386Z", "dateUpdated": "2026-06-05T18:23:01.633Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unknown", "product": "Znuny", "vendor": "Znuny", "versions": [{"lessThan": "6.5.21", "status": "affected", "version": "6.0.0", "versionType": "semver"}, {"lessThan": "7.3.3", "status": "affected", "version": "7.0.0", "versionType": "semver"}]}], "descriptions": [{"lang": "en", "value": "In Znuny LTS before 6.5.21 and Znuny before 7.3.3, XSS can occur via stored user preferences."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-06-05T02:21:03.777Z"}, "references": [{"url": "https://www.znuny.org/en/advisories/zsa-2026-11"}], "x_generator": {"engine": "CVE-Request-form 0.0.1"}, "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:znuny:znuny:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0.0", "versionEndExcluding": "6.5.21"}, {"vulnerable": true, "criteria": "cpe:2.3:a:znuny:znuny:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.0.0", "versionEndExcluding": "7.3.3"}]}]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-05T18:22:51.767338Z", "id": "CVE-2026-50591", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-05T18:23:01.633Z"}}]}, "dataVersion": "5.2"}

{"dataType": "CVE_RECORD", "cveMetadata": {"cveId": "CVE-2026-50591", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "state": "PUBLISHED", "assignerShortName": "mitre", "dateReserved": "2026-06-05T01:51:59.602Z", "datePublished": "2026-06-05T01:52:00.386Z", "dateUpdated": "2026-06-05T18:23:01.633Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unknown", "product": "Znuny", "vendor": "Znuny", "versions": [{"lessThan": "6.5.21", "status": "affected", "version": "6.0.0", "versionType": "semver"}, {"lessThan": "7.3.3", "status": "affected", "version": "7.0.0", "versionType": "semver"}]}], "descriptions": [{"lang": "en", "value": "In Znuny LTS before 6.5.21 and Znuny before 7.3.3, XSS can occur via stored user preferences."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-06-05T02:21:03.777Z"}, "references": [{"url": "https://www.znuny.org/en/advisories/zsa-2026-11"}], "x_generator": {"engine": "CVE-Request-form 0.0.1"}, "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:znuny:znuny:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0.0", "versionEndExcluding": "6.5.21"}, {"vulnerable": true, "criteria": "cpe:2.3:a:znuny:znuny:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.0.0", "versionEndExcluding": "7.3.3"}]}]}]}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-50591", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-05T18:22:51.767338Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-05T18:22:57.430Z"}}]}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In Znuny LTS before 6.5.21 and Znuny before 7.3.3, XSS can occur via stored user preferences."}], "id": "CVE-2026-50591", "lastModified": "2026-06-05T14:59:31.207", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-06-05T02:17:14.187", "references": [{"source": "cve@mitre.org", "url": "https://www.znuny.org/en/advisories/zsa-2026-11"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "cve@mitre.org", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.0.0,6.5.21)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.0.0,7.3.3)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Znuny", "source": "cna", "vendor": "Znuny"}, "product": "znuny", "vendor": "znuny"}], "created": "2026-06-05T04:30:31.226881+00:00", "title": "Stored XSS via User Preferences in Znuny", "updated": "2026-06-05T04:45:32.036995+00:00", "vendors": ["znuny", "znuny$PRODUCT$znuny"]}