{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54179", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-11T21:46:52.382Z", "datePublished": "2026-08-31T20:09:50.087Z", "dateUpdated": "2026-08-31T20:09:50.087Z"}, "containers": {"cna": {"title": "backpack/crud: SingleBase64Image accepts any base64 payload behind a `data:image` prefix \u2014 SVG-with-script lands on the public disk", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-434", "lang": "en", "description": "CWE-434: Unrestricted Upload of File with Dangerous Type", "type": "CWE"}]}], "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"}}], "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"}], "affected": [{"vendor": "Laravel-Backpack", "product": "CRUD", "versions": [{"version": ">= 6.0.0, < 6.8.14", "status": "affected"}, {"version": ">= 7.0.0, < 7.0.38", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-31T20:09:50.087Z"}, "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."}], "source": {"advisory": "GHSA-8hw4-7qjr-3wxg", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "CRUD", "vendor": "Laravel-Backpack", "versions": [{"status": "affected", "version": ">= 6.0.0, < 6.8.14"}, {"status": "affected", "version": ">= 7.0.0, < 7.0.38"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "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."}], "id": "CVE-2026-54179", "lastModified": "2026-08-31T21:17:09.670", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 1.3, "impactScore": 2.7, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-08-31T21:17:09.670", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/Laravel-Backpack/CRUD/commit/18b3dc1c607775617f563c41bd1ddb983f11d751"}, {"source": "security-advisories@github.com", "url": "https://github.com/Laravel-Backpack/CRUD/pull/5989"}, {"source": "security-advisories@github.com", "url": "https://github.com/Laravel-Backpack/CRUD/releases/tag/6.8.14"}, {"source": "security-advisories@github.com", "url": "https://github.com/Laravel-Backpack/CRUD/releases/tag/7.0.38"}, {"source": "security-advisories@github.com", "url": "https://github.com/Laravel-Backpack/CRUD/security/advisories/GHSA-8hw4-7qjr-3wxg"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}, {"lang": "en", "value": "CWE-434"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}