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 effective masking for low-privilege users. This makes it possible for authenticated attackers, with contributor-level access and above, to view configured API/OAuth tokens and license-related values from page source.
CVE-2026-5075 is a medium severity with CVSS 4.3 Sensitive Information Exposure issue affecting the Plugin All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic. It affects Versions up to 4.9.7 and is fixed in 4.9.7.1.
Use the related hub and response guides to connect this CVE-2026-5075 report with patch validation, scanner checks, and site hardening work.
Open the grouped hub for related CVEs, affected ranges, severity mix, and patch coverage.
Check access, XML-RPC exposure, backup readiness, and monitoring after patching.
Use containment, evidence capture, remediation, and validation steps when exploit risk is high.
CVE-2026-5075 is tracked for the Plugin All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic as medium severity with CVSS 4.3. The affected range is Versions up to 4.9.7. Update All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic to 4.9.7.1 or newer where that version is compatible with the site.
Search engines and operators need more than a title. This page exposes the identifier, affected range, patch evidence, and source coverage that make the vulnerability actionable.
This report has a CVE identifier, which makes it suitable for focused search and vulnerability triage workflows.
Affected version data gives operators a concrete comparison point against installed WordPress software.
A fixed version is present, so the page can answer update and remediation intent directly.
External references are available for source validation, advisory review, and incident notes.
Use these checks when converting this record into a patch ticket, incident note, or risk acceptance decision.
Inventory the installed Plugin package and compare its version with Versions up to 4.9.7.
Confirm All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic is updated to 4.9.7.1 or newer.
Review references and CVSS vector details for exploitability, authentication requirements, and exposure path.
After patching, re-run vulnerability monitoring and keep the related plugin or theme hub under review for follow-up CVEs.
| Software Type | Plugin |
|---|---|
| Software Slug |
all-in-one-seo-pack
View on wordpress.org
|
| CVE | CVE-2026-5075 |
| Patched Versions |
4.9.7.1
|
| Affected Versions |
Versions up to 4.9.7
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
All in One SEO 4.1.3.1 - 4.1.5.2 - Authenticated SQL Injection
All in One SEO <= 4.2.3.1 - Cross-Site Request Forgery
All in One SEO 4.0.0 - 4.1.5.2 Authorization Bypass
All in One SEO <= 4.1.0.1 - Authenticated Code Injection
All In One SEO Pack <= 4.9.1 - Authenticated (Contributor+) SQL Injection
All in One SEO Pack <= 4.8.1.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Post Meta Description and Canonical URL
All in One SEO – Best WordPress SEO Plugin – Easily Improve SEO Rankings & Increase Traffic <= 4.6.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
All in One SEO <= 4.6.0 - Authenticated (Contributor+) Stored Cross-Site Scripting
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