{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23928", "assignerOrgId": "72de3e22-0555-4a0d-ae81-9249e0f0a1e8", "state": "PUBLISHED", "assignerShortName": "Zabbix", "dateReserved": "2026-01-19T14:02:54.327Z", "datePublished": "2026-05-06T07:00:33.681Z", "dateUpdated": "2026-05-06T07:00:33.681Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "72de3e22-0555-4a0d-ae81-9249e0f0a1e8", "shortName": "Zabbix", "dateUpdated": "2026-05-06T07:00:33.681Z"}, "title": "Stored XSS vulnerability in the Item history/Plain text widget", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-79", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-592", "descriptions": [{"lang": "en", "value": "CAPEC-592: Stored XSS"}]}], "affected": [{"vendor": "Zabbix", "product": "Zabbix", "repo": "https://git.zabbix.com/", "modules": ["Frontend"], "versions": [{"status": "affected", "version": "6.0.0", "lessThanOrEqual": "6.0.44", "changes": [{"at": "6.0.45", "status": "unaffected"}], "versionType": "git"}, {"status": "affected", "version": "7.0.0", "lessThanOrEqual": "7.0.23", "changes": [{"at": "7.0.24", "status": "unaffected"}], "versionType": "git"}, {"status": "affected", "version": "7.4.0", "lessThanOrEqual": "7.4.7", "changes": [{"at": "7.4.8", "status": "unaffected"}], "versionType": "git"}], "defaultStatus": "unknown"}], "descriptions": [{"lang": "en", "value": "The Item history widget (in Zabbix 7.0+) or the Plain text widget (in Zabbix 6.0) can execute injected JavaScript when HTML display is enabled. This can allow an attacker to perform unauthorized actions depending on which user opens a dashboard containing these widgets. The malicious JavaScript would have to come from a monitored host controlled by the attacker. Note: the Item history widget is a replacement for the Plain text widget since Zabbix 7.0.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>The Item history widget (in Zabbix 7.0+) or the Plain text widget (in Zabbix 6.0) can execute injected JavaScript when HTML display is enabled. This can allow an attacker to perform unauthorized actions depending on which user opens a dashboard containing these widgets. The malicious JavaScript would have to come from a monitored host controlled by the attacker. Note: the Item history widget is a replacement for the Plain text widget since Zabbix 7.0.</p>"}]}], "references": [{"url": "https://support.zabbix.com/browse/ZBX-27760"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "HIGH", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 7.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "configurations": [{"lang": "en", "value": "An attacker controlled monitored host can send in malicious JavaScript payload that is then executed by the Item history/Plain text widget.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>An attacker controlled monitored host can send in malicious JavaScript payload that is then executed by the Item history/Plain text widget.</p>"}]}], "workarounds": [{"lang": "en", "value": "Do not use HTML display in Item history/Plain text widget or disable this widget entirely in Administration -> General -> Modules (Zabbix 7.0+).", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Do not use HTML display in Item history/Plain text widget or disable this widget entirely in Administration -&gt; General -&gt; Modules (Zabbix 7.0+).</p>"}]}], "solutions": [{"lang": "en", "value": "Update the affected components to their respective fixed versions.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Update the affected components to their respective fixed versions.</p>"}]}], "source": {"discovery": "INTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "The Item history widget (in Zabbix 7.0+) or the Plain text widget (in Zabbix 6.0) can execute injected JavaScript when HTML display is enabled. This can allow an attacker to perform unauthorized actions depending on which user opens a dashboard containing these widgets. The malicious JavaScript would have to come from a monitored host controlled by the attacker. Note: the Item history widget is a replacement for the Plain text widget since Zabbix 7.0."}], "id": "CVE-2026-23928", "lastModified": "2026-05-06T08:16:03.100", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security@zabbix.com", "type": "Secondary"}]}, "published": "2026-05-06T08:16:03.100", "references": [{"source": "security@zabbix.com", "url": "https://support.zabbix.com/browse/ZBX-27760"}], "sourceIdentifier": "security@zabbix.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@zabbix.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.0.0,6.0.44]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.0.0,7.0.23]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.4.0,7.4.7]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Zabbix", "source": "cna", "vendor": "Zabbix"}, "product": "zabbix", "vendor": "zabbix"}], "created": "2026-05-06T08:30:25.616210+00:00", "updated": "2026-05-06T08:30:25.616293+00:00", "vendors": ["zabbix", "zabbix$PRODUCT$zabbix"]}