CVE-2026-25431 — WPMU DEV Hustle Vulnerability

CVE-2026-25431 — WPMU DEV Hustle Vulnerability

CVE-2026-25431 — Missing Authorization vulnerability in WPMU DEV Hustle allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Hustle: through 7.8.10.1.

What This Means For You

  • If your environment is affected by CWE-862, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-25431 updates and patches.

Related ATT&CK Techniques

🛡️ Detection Rules

2 rules · 6 SIEM formats

2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.

high T1190 Initial Access

CVE-2026-25431 - WPMU DEV Hustle Unauthenticated Access to Settings

Sigma YAML — free preview
title: CVE-2026-25431 - WPMU DEV Hustle Unauthenticated Access to Settings
id: scw-2026-05-12-ai-1
status: experimental
level: high
description: |
  Detects attempts to exploit CVE-2026-25431 by sending a POST request to '/wp-admin/admin-ajax.php' with the 'action' parameter set to 'hustle_save_settings'. This indicates an attempt to modify Hustle plugin settings without proper authentication, which is the core of this vulnerability.
author: SCW Feed Engine (AI-generated)
date: 2026-05-12
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-25431/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri:
          - '/wp-admin/admin-ajax.php'
      cs-method:
          - 'POST'
      cs-uri-query|contains:
          - 'action=hustle_save_settings'
  condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse

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Indicators of Compromise

IDTypeIndicator
CVE-2026-25431 vulnerability CVE-2026-25431
CWE-862 weakness CWE-862
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedMay 12, 2026 at 20:16 UTC

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