{"api_version":"1","generated_at":"2026-09-12T14:35:29+00:00","cve":"CVE-2026-54179","urls":{"html":"https://cve.report/CVE-2026-54179","api":"https://cve.report/api/cve/CVE-2026-54179.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-54179","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-54179"},"summary":{"title":"backpack/crud: SingleBase64Image accepts any base64 payload behind a `data:image` prefix — SVG-with-script lands on the public disk","description":"backpack/crud provides Create, Read, Update & Delete (CRUD) functions for Backpack, a collection of Laravel packages that help users build custom administration panels. From 6.0.0 until 6.8.14 and 7.0.37, the src/app/Library/Uploaders/SingleBase64Image.php methods SingleBase64Image::uploadFiles and SingleBase64Image::uploadRepeatableFiles, used by image fields through withFiles(), accept any data URI beginning with data:image without validating the declared MIME subtype or decoded bytes, while src/app/Library/Uploaders/Support/FileNameGenerator.php method FileNameGenerator::getExtensionFromFile applies mime_content_type() to the data URI instead of the decoded content. An authenticated administrator can therefore store arbitrary file content under an extensionless filename on the configured disk, which can cause stored cross-site scripting or other unintended behavior when the file is served and accessed. This issue is fixed in version 7.0.38 and 6.8.14.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2026-08-31 21:17:09","updated_at":"2026-09-08 21:11:31"},"problem_types":["CWE-79","CWE-434","CWE-79 CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","CWE-434 CWE-434: Unrestricted Upload of File with Dangerous Type"],"metrics":[{"version":"3.1","source":"security-advisories@github.com","type":"Secondary","score":"4.4","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N","baseScore":4.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"4.4","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N","data":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N","version":"3.1"}}],"references":[{"url":"https://github.com/Laravel-Backpack/CRUD/pull/5989","name":"https://github.com/Laravel-Backpack/CRUD/pull/5989","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/Laravel-Backpack/CRUD/releases/tag/7.0.38","name":"https://github.com/Laravel-Backpack/CRUD/releases/tag/7.0.38","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/Laravel-Backpack/CRUD/commit/18b3dc1c607775617f563c41bd1ddb983f11d751","name":"https://github.com/Laravel-Backpack/CRUD/commit/18b3dc1c607775617f563c41bd1ddb983f11d751","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/Laravel-Backpack/CRUD/security/advisories/GHSA-8hw4-7qjr-3wxg","name":"https://github.com/Laravel-Backpack/CRUD/security/advisories/GHSA-8hw4-7qjr-3wxg","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/Laravel-Backpack/CRUD/releases/tag/6.8.14","name":"https://github.com/Laravel-Backpack/CRUD/releases/tag/6.8.14","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-54179","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54179","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Laravel-Backpack","product":"CRUD","version":"affected >= 6.0.0, < 6.8.14","platforms":[]},{"source":"CNA","vendor":"Laravel-Backpack","product":"CRUD","version":"affected >= 7.0.0, < 7.0.38","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"54179","cve":"CVE-2026-54179","epss":"0.002030000","percentile":"0.102570000","score_date":"2026-09-08","updated_at":"2026-09-09 00:06:16"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-54179","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-09-01T14:15:07.732998Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-09-01T14:59:11.540Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"CRUD","vendor":"Laravel-Backpack","versions":[{"status":"affected","version":">= 6.0.0, < 6.8.14"},{"status":"affected","version":">= 7.0.0, < 7.0.38"}]}],"descriptions":[{"lang":"en","value":"backpack/crud provides Create, Read, Update & Delete (CRUD) functions for Backpack, a collection of Laravel packages that help users build custom administration panels. From 6.0.0 until 6.8.14 and 7.0.37, the src/app/Library/Uploaders/SingleBase64Image.php methods SingleBase64Image::uploadFiles and SingleBase64Image::uploadRepeatableFiles, used by image fields through withFiles(), accept any data URI beginning with data:image without validating the declared MIME subtype or decoded bytes, while src/app/Library/Uploaders/Support/FileNameGenerator.php method FileNameGenerator::getExtensionFromFile applies mime_content_type() to the data URI instead of the decoded content. An authenticated administrator can therefore store arbitrary file content under an extensionless filename on the configured disk, which can cause stored cross-site scripting or other unintended behavior when the file is served and accessed. This issue is fixed in version 7.0.38 and 6.8.14."}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-434","description":"CWE-434: Unrestricted Upload of File with Dangerous Type","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-08-31T20:09:50.087Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"name":"https://github.com/Laravel-Backpack/CRUD/security/advisories/GHSA-8hw4-7qjr-3wxg","tags":["x_refsource_CONFIRM"],"url":"https://github.com/Laravel-Backpack/CRUD/security/advisories/GHSA-8hw4-7qjr-3wxg"},{"name":"https://github.com/Laravel-Backpack/CRUD/pull/5989","tags":["x_refsource_MISC"],"url":"https://github.com/Laravel-Backpack/CRUD/pull/5989"},{"name":"https://github.com/Laravel-Backpack/CRUD/commit/18b3dc1c607775617f563c41bd1ddb983f11d751","tags":["x_refsource_MISC"],"url":"https://github.com/Laravel-Backpack/CRUD/commit/18b3dc1c607775617f563c41bd1ddb983f11d751"},{"name":"https://github.com/Laravel-Backpack/CRUD/releases/tag/6.8.14","tags":["x_refsource_MISC"],"url":"https://github.com/Laravel-Backpack/CRUD/releases/tag/6.8.14"},{"name":"https://github.com/Laravel-Backpack/CRUD/releases/tag/7.0.38","tags":["x_refsource_MISC"],"url":"https://github.com/Laravel-Backpack/CRUD/releases/tag/7.0.38"}],"source":{"advisory":"GHSA-8hw4-7qjr-3wxg","discovery":"UNKNOWN"},"title":"backpack/crud: SingleBase64Image accepts any base64 payload behind a `data:image` prefix — SVG-with-script lands on the public disk"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2026-54179","datePublished":"2026-08-31T20:09:50.087Z","dateReserved":"2026-06-11T21:46:52.382Z","dateUpdated":"2026-09-01T14:59:11.540Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-31 21:17:09","lastModifiedDate":"2026-09-08 21:11:31","problem_types":["CWE-79","CWE-434","CWE-79 CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","CWE-434 CWE-434: Unrestricted Upload of File with Dangerous Type"],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N","baseScore":4.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":1.3,"impactScore":2.7}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-09-01T14:15:07.732998Z","id":"CVE-2026-54179","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"54179","Ordinal":"1","Title":"backpack/crud: SingleBase64Image accepts any base64 payload behi","CVE":"CVE-2026-54179","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"54179","Ordinal":"1","NoteData":"backpack/crud provides Create, Read, Update & Delete (CRUD) functions for Backpack, a collection of Laravel packages that help users build custom administration panels. From 6.0.0 until 6.8.14 and 7.0.37, the src/app/Library/Uploaders/SingleBase64Image.php methods SingleBase64Image::uploadFiles and SingleBase64Image::uploadRepeatableFiles, used by image fields through withFiles(), accept any data URI beginning with data:image without validating the declared MIME subtype or decoded bytes, while src/app/Library/Uploaders/Support/FileNameGenerator.php method FileNameGenerator::getExtensionFromFile applies mime_content_type() to the data URI instead of the decoded content. An authenticated administrator can therefore store arbitrary file content under an extensionless filename on the configured disk, which can cause stored cross-site scripting or other unintended behavior when the file is served and accessed. This issue is fixed in version 7.0.38 and 6.8.14.","Type":"Description","Title":"backpack/crud: SingleBase64Image accepts any base64 payload behi"}]}}}