{"id":"CVE-2026-56393","state":"PUBLISHED","title":"Craft CMS - Multiple Stored Cross-Site Scripting in Settings Names and Field Options","description":"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.","publishedAt":"2026-06-21T13:27:01.755Z","updatedAt":"2026-06-22T13:22:05.584Z","severity":{"score":4.6,"label":"Medium","version":"4.0","vector":"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","source":"VulnCheck"},"assigner":"VulnCheck","products":["craftcms cms"],"affected":[{"vendor":"craftcms","product":"cms","packageURL":"pkg:composer/craftcms/cms","defaultStatus":"unaffected","versions":[{"version":"5.0.0-RC1","status":"affected","lessThan":"5.9.0-beta.1","versionType":"semver"},{"version":"5.9.0-beta.1","status":"unaffected","versionType":"semver"},{"version":"4.0.0-RC1","status":"affected","lessThan":"4.17.0-beta.1","versionType":"semver"},{"version":"4.17.0-beta.1","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/craftcms/cms/security/advisories/GHSA-4mgv-366x-qxvx","https://github.com/craftcms/cms/commit/943152d2246b36f12adf161a03b8695b773d9276","https://github.com/craftcms/cms/commit/67780a778c6ec04e68e64a0b1177c168306144a2","https://www.vulncheck.com/advisories/craft-cms-multiple-stored-cross-site-scripting-in-settings-names-and-field-options"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/56xxx/CVE-2026-56393.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-56393","state":"PUBLISHED","datePublished":"2026-06-21T13:27:01.755Z","dateUpdated":"2026-06-22T13:22:05.584Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-06-21T12:37:58.434Z"},"containers":{"cna":{"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."}],"affected":[{"vendor":"craftcms","product":"cms","packageURL":"pkg:composer/craftcms/cms","defaultStatus":"unaffected","versions":[{"version":"5.0.0-RC1","status":"affected","lessThan":"5.9.0-beta.1","versionType":"semver"},{"version":"5.9.0-beta.1","status":"unaffected","versionType":"semver"},{"version":"4.0.0-RC1","status":"affected","lessThan":"4.17.0-beta.1","versionType":"semver"},{"version":"4.17.0-beta.1","status":"unaffected","versionType":"semver"}]}],"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"]},{"url":"https://www.vulncheck.com/advisories/craft-cms-multiple-stored-cross-site-scripting-in-settings-names-and-field-options","name":"VulnCheck Advisory: Craft CMS - Multiple Stored Cross-Site Scripting in Settings Names and Field Options","tags":["third-party-advisory"]}],"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"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-06-21T13:27:01.755Z"},"datePublic":"2026-03-02T00:00:00.000Z","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"}]}]}],"credits":[{"lang":"en","value":"mHe4am","type":"reporter"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/craftcms/cms/security/advisories/GHSA-4mgv-366x-qxvx","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-22T13:21:37.669665Z","id":"CVE-2026-56393","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-22T13:22:05.584Z"}}]}}}