Description
mall4j through 4.0 contains an unrestricted file upload vulnerability in FileController endpoints that lack authorization checks and accept arbitrary file types without validation. Attackers with any authenticated token can upload HTML or SVG files that execute scripts in administrator browsers when accessed from the local storage path, resulting in stored cross-site scripting.
Published: 2026-09-28
Score: 2.1 Low
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 28 Sep 2026 23:45:00 +0000

Type Values Removed Values Added
Description mall4j through 4.0 contains an unrestricted file upload vulnerability in FileController endpoints that lack authorization checks and accept arbitrary file types without validation. Attackers with any authenticated token can upload HTML or SVG files that execute scripts in administrator browsers when accessed from the local storage path, resulting in stored cross-site scripting.
Title mall4j through 4.0 Unrestricted File Upload in Admin File Endpoints
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 4.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 2.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-28T23:34:30.573Z

Reserved: 2026-09-28T22:50:19.946Z

Link: CVE-2026-102366

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-29T00:17:03.917

Modified: 2026-09-29T00:17:03.917

Link: CVE-2026-102366

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-29T00:30:08Z

Weaknesses
  • CWE-434

    Unrestricted Upload of File with Dangerous Type