CVE-2025-28168 | BDVDB-2026-277368 Detail

Multi UploadersMultiple File Upload

Description#

The Multiple File Upload add-on component 3.1.0 for OutSystems is vulnerable to Unrestricted File Upload. This occurs because file extension and size validations are enforced solely on the client side. An attacker can intercept the upload request and modify a parameter to bypass extension restrictions and upload arbitrary files. NOTE: this is a third-party component that is not supplied or supported by OutSystems.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact none. Attack vector: network.

Weaknesses#

CWE-602 Client-Side Enforcement of Server-Side Security

References#

Exploit#

No public exploit known

History#

Version 12025-05-05Record published in the CVE List.
Version 22025-08-26Most recent update recorded in the CVE List.

Published

Published: 2025-05-05
Last modified: 2025-08-26

Vendor information

Vendor: Multi Uploaders
Product: Multiple File Upload

All Multi Uploaders vulnerabilities

Score

6.4 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 28.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 3.1.0
Fixed
3.1.0

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.4 Medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Changed
Confidentiality	Low
Integrity	Low
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).