---
id: CVE-2025-15158
title: >-
  The WP Enable WebP plugin for WordPress is vulnerable to arbitrary file
  uploads due to improper file type validation in the 'wpse_file_and_ext_webp'
  function in all versions up to, and including, 1.0
summary: >-
  The WP Enable WebP plugin for WordPress is vulnerable to arbitrary file
  uploads due to improper file type validation in the 'wpse_file_and_ext_webp'
  function in all versions up to, and including, 1.0. This makes it possible for
  authentic…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-434
published: '2026-01-07'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T22:10:00.273'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-15158'
references:
  - url: >-
      https://plugins.trac.wordpress.org/browser/wp-enable-webp/trunk/wp-enable-webp.php?rev=1998897#L43
    label: security@wordfence.com
  - url: >-
      https://www.wordfence.com/threat-intel/vulnerabilities/id/fa53c5ee-fe7f-4fb2-baaa-2c1a151d4b2c?source=cve
    label: security@wordfence.com
tags:
  - nvd
epss: 0.00493
epssPercentile: 0.40025
ingestedAt: '2026-09-30T22:27:27.718Z'
---

## Overview

The WP Enable WebP plugin for WordPress is vulnerable to arbitrary file uploads due to improper file type validation in the 'wpse_file_and_ext_webp' function in all versions up to, and including, 1.0. This makes it possible for authenticated attackers, with Author-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.