Findings

Vulnerability · CVE-2025-12057

WavePlayer Unauthenticated Arbitrary File Upload

Published Nov 25, 2025 · corrected/updated Nov 25, 2025 · WavePlayer WavePlayer WordPress Plugin · evidence confidence very high

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 Initial-access exploit intelligence.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2025-12057 is a unknown public vulnerability record for WavePlayer WavePlayer WordPress Plugin. CISA lists it as known exploited. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether WavePlayer WavePlayer WordPress Plugin is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: WavePlayer WavePlayer WordPress Plugin. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: no CVSS/EPSS yet. CISA lists it as known exploited. Sources contributing to this record: cve_org, vulncheck_kev. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Confirmed in CISA KEV since Nov 25, 2025. Listed in CISA KEV and VulnCheck KEV.

  • Patch and remediation

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Technology hubs

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 25, 2025 · VulnCheck KEV

    Detected

    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 Initial-access exploit intelligence.

  2. Nov 25, 2025 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected

  • vendor WavePlayer WavePlayer WordPress Pluginversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2025-12057

    Official CVE identifier

    cve.org
  • VulnCheck KEVConfirmed exploitationCVE-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

    vulncheck.com

References