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CVE-2025-12057VulnerabilityPublished Updated

CVE-2025-12057: WavePlayer (WordPress plugin) · Unrestricted File Upload

Affects WavePlayer (WordPress plugin)Source CVE Database V5

0

Not known to be exploited · CVSS 9.8 Critical.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.6% chance of exploitation in 30 days – higher than 48% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 19 Nov 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Affected software

ProductAffectedFixed in
WavePlayerAffected
  • =0
Fixed in–

AI-suggested

1. Immediately update the WavePlayer plugin to version 3.8.0 or later, which includes the necessary authorization checks and file validation to prevent this vulnerability. 2. If immediate update is not possible, disable or restrict access to the vulnerable AJAX endpoints via web application firewall (WAF) rules or server configuration to block unauthorized file upload attempts. 3. Implement strict file upload validation policies on the server side, ensuring only allowed file types and sizes are accepted. 4. Monitor web server logs and WordPress activity logs for suspicious file upload attempts or unusual AJAX requests targeting WavePlayer endpoints. 5. Employ intrusion detection/prevention systems (IDS/IPS) to detect exploitation attempts. 6. Regularly back up website data and server configurations to enable rapid recovery in case of compromise. 7. Conduct security audits and penetration testing focusing on WordPress plugins and file upload functionalities. 8. Educate site administrators about the risks of outdated plugins and the importance of timely updates.

Description

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

References

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