CVE-2026-5075 — The All in One SEO plugin for WordPress is vulnerable to

CVE-2026-5075 — The All in One SEO plugin for WordPress is vulnerable to

CVE-2026-5075 — The All in One SEO plugin for WordPress is vulnerable to Sensitive Information Exposure via 'internalOptions' localized script data in versions up to, and including, 4.9.7 due to sensitive internal option data being passed to wp_localize_script() in post editor contexts without effec

What This Means For You

  • If your environment is affected by CWE-200, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-5075 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.

medium T1005 Discovery

WordPress All in One SEO Plugin Sensitive Data Exposure — CVE-2026-5075

Sigma YAML — free preview
title: WordPress All in One SEO Plugin Sensitive Data Exposure — CVE-2026-5075
id: scw-2026-05-20-ai-1
status: experimental
level: medium
description: |
  Detects requests to the WordPress AJAX endpoint that are likely attempting to exfiltrate sensitive internal option data, such as API/OAuth tokens and license keys, from the All in One SEO plugin. This is specific to CVE-2026-5075 where low-privilege users can access this data.
author: SCW Feed Engine (AI-generated)
date: 2026-05-20
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-5075/
tags:
  - attack.discovery
  - attack.t1005
logsource:
    category: webserver
detection:
  selection:
      cs-uri|contains:
          - '/wp-admin/admin-ajax.php'
      cs-uri-query|contains:
          - 'action=aioseo_get_options'
      sc-status:
          - 200
  condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse

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Indicators of Compromise

IDTypeIndicator
CVE-2026-5075 vulnerability CVE-2026-5075
CWE-200 weakness CWE-200
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedMay 20, 2026 at 08:16 UTC

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