CVE-2025-28168

9.8 criticalEPSS 0.3%

Critical (9.8) in multiple file upload project multiple file upload. EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 27% of CVEs (scores of 2026-10-31)
CWEs: CWE-434, CWE-602
Published: 2025-05-05
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

multiple_file_upload_project:multiple_file_upload

References

https://gist.github.com/IamLeandrooooo/01090be3023f5e7c7397bb9b1f5505b9
https://www.outsystems.com/forge/component-overview/200/multiple-file-upload-o11

Check your stack JSON