CVE-2026-54179

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.

CVSS v3 4.4 MEDIUM

4.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/Laravel-Backpack/CRUD/commit/18b3dc1c607775617f563c41bd1ddb983f11d751
https://github.com/Laravel-Backpack/CRUD/pull/5989
https://github.com/Laravel-Backpack/CRUD/releases/tag/6.8.14
https://github.com/Laravel-Backpack/CRUD/releases/tag/7.0.38
https://github.com/Laravel-Backpack/CRUD/security/advisories/GHSA-8hw4-7qjr-3wxg

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-31 21:17

Updated : 2026-09-08 21:11

NVD link : CVE-2026-54179

Mitre link : CVE-2026-54179

CVE.ORG link : CVE-2026-54179

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-434

Unrestricted Upload of File with Dangerous Type

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