What is CVE-2025-12057?

CVE-2025-12057 is a critical-severity vulnerability in Waveplayer, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2025-11-19.

How severe is CVE-2025-12057?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2025-12057 known to be exploited?

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

Arbitrary file upload in Waveplayer

CVE-2025-12057

The WavePlayer WordPress plugin before 3.8.0 does not have authorization in an AJAX action as well as does not validate the file to be copied locally, allowing unauthenticated users to upload arbitrary file on the server and lead to RCE

Vulnerability class: Unrestricted File Upload

EPSS: 0.005 (42.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Unknown Waveplayer — versions 0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

DeadExpl0it/CVE-2025-12057-WordPress-Exploit-PoC

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2025-12057?: CVE-2025-12057 is a critical-severity vulnerability in Waveplayer, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2025-11-19.
How severe is CVE-2025-12057?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-12057 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.