What is CVE-2025-55383?

CVE-2025-55383 is a high-severity vulnerability in N/a, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.6/10. Published 2025-08-21.

How severe is CVE-2025-55383?

High severity. CVSS v3 base score is 8.6 out of 10.

Is CVE-2025-55383 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Arbitrary file upload in N/a

CVE-2025-55383

Moss before v0.15 has a file upload vulnerability. The "upload" function configuration allows attackers to upload files of any extension to any location on the target server.

Vulnerability class: Unrestricted File Upload

EPSS: 0.003 (20.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@mitre.org

Frequently asked questions

What is CVE-2025-55383?: CVE-2025-55383 is a high-severity vulnerability in N/a, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.6/10. Published 2025-08-21.
How severe is CVE-2025-55383?: High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2025-55383 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.