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CVE-2026-5075— All in One SEO <= 4.9.7 - Authenticated (Contributor+) Sensitive Information Exposure via 'internalOptions' Localized Script Data

Quick assessment

Affected
smub All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin All in One SEO 4.9.7及之前版本存在信息泄露漏洞，该漏洞源于internalOptions本地化脚本数据将敏感内部选项数据传递给wp_localize_script，且未对低权限用户进行有效屏蔽，可

CVSS 4.3 · Medium EPSS 0.29% · P20

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
smub All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic ≤ 4.9.7 affected
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I. Basic Information for CVE-2026-5075

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
All in One SEO <= 4.9.7 - Authenticated (Contributor+) Sensitive Information Exposure via 'internalOptions' Localized Script Data
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin All in One SEO 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin All in One SEO 4.9.7及之前版本存在信息泄露漏洞，该漏洞源于internalOptions本地化脚本数据将敏感内部选项数据传递给wp_localize_script，且未对低权限用户进行有效屏蔽，可
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
smub All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic 0 ~ 4.9.7 -

II. Public POCs for CVE-2026-5075

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III. Intelligence Information for CVE-2026-5075

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IV. Related Vulnerabilities

Same product: All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic
Same vendor: smub
Same weakness: CWE-200

V. Comments for CVE-2026-5075

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