{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-56393", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-06-21T12:37:58.434Z", "datePublished": "2026-06-21T13:27:01.755Z", "dateUpdated": "2026-06-21T13:27:01.755Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-06-21T13:27:01.755Z"}, "datePublic": "2026-03-02T00:00:00.000Z", "title": "Craft CMS - Multiple Stored Cross-Site Scripting in Settings Names and Field Options", "descriptions": [{"lang": "en", "value": "Craft CMS 4.x (>= 4.0.0-RC1, < 4.17.0-beta.1) and 5.x (>= 5.0.0-RC1, < 5.9.0-beta.1) contain multiple stored cross-site scripting vulnerabilities where settings names and field option labels are rendered without sanitization (e.g., via the checkbox.twig template, which used {{ label|raw }}). An authenticated administrator (with allowAdminChanges enabled) can inject malicious payloads into section names, volume names, user group names, global set names, generated field names, checkbox/radio option labels, and custom source labels, causing arbitrary JavaScript to execute in other users' control-panel sessions. Fixed in 4.17.0-beta.1 and 5.9.0-beta.1."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "cweId": "CWE-79", "type": "CWE"}]}], "affected": [{"vendor": "craftcms", "product": "cms", "defaultStatus": "unaffected", "versions": [{"version": "5.0.0-RC1", "status": "affected", "versionType": "semver", "lessThan": "5.9.0-beta.1"}, {"version": "5.9.0-beta.1", "status": "unaffected", "versionType": "semver"}, {"version": "4.0.0-RC1", "status": "affected", "versionType": "semver", "lessThan": "4.17.0-beta.1"}, {"version": "4.17.0-beta.1", "status": "unaffected", "versionType": "semver"}], "packageURL": "pkg:composer/craftcms/cms"}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:juzaweb:cms:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0.0-RC1", "versionEndExcluding": "5.9.0-beta.1"}, {"vulnerable": true, "criteria": "cpe:2.3:a:juzaweb:cms:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.0.0-RC1", "versionEndExcluding": "4.17.0-beta.1"}]}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 4.6, "baseSeverity": "MEDIUM", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS"}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "format": "CVSS"}], "references": [{"url": "https://github.com/craftcms/cms/security/advisories/GHSA-4mgv-366x-qxvx", "name": "GHSA Advisory GHSA-4mgv-366x-qxvx", "tags": ["vendor-advisory"]}, {"url": "https://github.com/craftcms/cms/commit/943152d2246b36f12adf161a03b8695b773d9276", "name": "https://github.com/craftcms/cms/commit/943152d2246b36f12adf161a03b8695b773d9276", "tags": ["patch"]}, {"url": "https://github.com/craftcms/cms/commit/67780a778c6ec04e68e64a0b1177c168306144a2", "name": "https://github.com/craftcms/cms/commit/67780a778c6ec04e68e64a0b1177c168306144a2", "tags": ["patch"]}, {"name": "VulnCheck Advisory: Craft CMS - Multiple Stored Cross-Site Scripting in Settings Names and Field Options", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/craft-cms-multiple-stored-cross-site-scripting-in-settings-names-and-field-options"}], "credits": [{"lang": "en", "value": "mHe4am", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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