---
id: CVE-2026-80099
title: Several Newfold plugins are vulnerable to Authentication Bypass
summary: >-
  Several Newfold plugins are vulnerable to Authentication Bypass. The
  vulnerability exists because the plugins bundle the wp-module-data module. In
  the module, the `authenticate()` method — registered on the
  `rest_authentication_errors` f…
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-287
vendor: Newfold
product: WP Plugin Web
affected:
  - wp_plugin_web <= 2.3.5
  - wp_plugin_crazy_domains <= 2.5.2
  - wp_module_data <= 2.9.7
  - wp_plugin_hostgator <= 3.2.0
  - wp_plugin_bluehost <= 4.19.0
published: '2026-09-09'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T17:17:45.587'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-80099'
references:
  - url: >-
      https://github.com/newfold-labs/wp-module-data/commit/9d913fd8fa12796c4d9c09081e4aeccfa5cb1301
    label: security@wordfence.com
  - url: 'https://github.com/newfold-labs/wp-plugin-bluehost/compare/4.19.0...4.19.1'
    label: security@wordfence.com
  - url: >-
      https://github.com/newfold-labs/wp-plugin-crazy-domains/compare/2.5.2...2.5.3
    label: security@wordfence.com
  - url: 'https://github.com/newfold-labs/wp-plugin-hostgator/compare/3.2.0...3.2.1'
    label: security@wordfence.com
  - url: 'https://github.com/newfold-labs/wp-plugin-web/compare/2.3.5...2.3.6'
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/wp-module-data/trunk/includes/Data.php#L191
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/wp-module-data/trunk/includes/Data.php#L201
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/wp-module-data/trunk/includes/Data.php#L222
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/wp-module-data/trunk/includes/Data.php#L69
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/wp-module-data/trunk/includes/HiiveConnection.php#L406
    label: security@wordfence.com
  - url: >-
      https://www.wordfence.com/threat-intel/vulnerabilities/id/3ee369c0-0d7c-4142-b3ba-a518288647ba?source=cve
    label: security@wordfence.com
tags:
  - nvd
  - cve.org
  - exploit-available
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-09T15:41:26.162294Z'
ingestedAt: '2026-09-10T09:55:16.808Z'
epss: 0.01637
epssPercentile: 0.75303
exploits:
  github: 1
  githubRepos:
    - 'https://github.com/Wayang1337/CVE-2026-80099'
  nuclei:
    - CVE-2026-80099
  checkedAt: '2026-09-24T07:53:18.550Z'
exploitAvailable: true
---

## Overview

Several Newfold plugins are vulnerable to Authentication Bypass. The vulnerability exists because the plugins bundle the wp-module-data module. In the module, the `authenticate()` method — registered on the `rest_authentication_errors` filter and therefore evaluated for every unauthenticated REST API request — performs an HMAC-style Bearer token comparison that degenerates when `HiiveConnection::get_auth_token()` returns `false`: PHP coerces `strrev(false)` to `strrev('')`, collapsing the secret salt to the publicly known constant `hash('sha256', '') = e3b0c44...`, while all remaining hash inputs (HTTP method, request URL, raw request body, and the `X-Timestamp` header) remain fully attacker-controlled. This makes it possible for unauthenticated attackers to compute a valid Bearer token entirely offline, pass the token equality check, and have `wp_set_current_user()` invoked against the first administrator returned by `get_users(['role' => 'administrator'])`, granting full administrator-level access and enabling arbitrary REST API operations such as creating new administrator accounts and achieving complete site takeover. Vulnerable versions are WP Plugin Crazy Domains (<= 2.5.2), WP Plugin Web (<= 2.3.4), WP Plugin Hostgator (<= 3.1.0), WP Plugin Bluehost (<= 4.17.1). The affected module is vulnerable in versions up to, and including, 2.9.4.

## Remediation

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