Search vulnerabilities

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CVE-2026-109367

All in One SEO <= 5.0.3 - Unauthenticated Sensitive Information Disclosure in 's' Search Query Parameter

The All in One SEO – AI SEO Plugin to Boost SEO Rankings & Traffic (Schema, Local SEO, Sitemap & SEO Insights) plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 5.0.3 via the 's' parameter. This makes it possible for unauthenticated attackers to extract arbitrary non-public post meta values, including sensitive custom fields such as API keys and internal notes, emitted verbatim into the HTML title element and JSON-LD SearchResultsPage schema.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Smub Wordpress-extensions
Products
All In One Seo All In One Seo
CVE-2026-85492

All in One SEO <= 5.0.1.1 - Reflected DOM-Based Cross-Site Scripting via URL Pathname

The All in One SEO – AI SEO Plugin to Boost SEO Rankings & Traffic (Schema, Local SEO, Sitemap & SEO Insights) plugin for WordPress is vulnerable to DOM-Based Cross-Site Scripting via URL Pathname in all versions up to, and including, 5.0.1.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user visits a crafted URL. Exploitation requires the victim to hold the aioseo_manage_seo capability and to open the SEO Preview panel in the WordPress admin toolbar while visiting a page with a malicious payload embedded in the URL pathname.

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Vendors
Smub Wordpress-extensions
Products
All In One Seo All In One Seo
CVE-2026-100152

All in One SEO <= 5.0.2 - Unauthenticated Arbitrary Shortcode Execution via 's' Search Query Parameter

The The All in One SEO – AI SEO Plugin to Boost SEO Rankings & Traffic (Schema, Local SEO, Sitemap & SEO Insights) plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 5.0.2 This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes. This requires the AIOSEO breadcrumb to be rendered on the search results page via the block, widget, shortcode, or template tag.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Smub Wordpress-extensions
Products
All In One Seo All In One Seo
CVE-2026-5075

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

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.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Smub Wordpress
Products
All In One Seo – Powerful Seo Plugin To Boost Seo Rankings & Increase Traffic Wordpress
CVE-2025-12847

All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic <= 4.8.9 - Missing Authorization to Authenticated (Contributor+) Arbitrary Media Deletion

The All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic plugin for WordPress is vulnerable to unauthorized arbitrary media attachment deletion due to a missing authorization check in all versions up to, and including, 4.8.9. This is due to the REST API endpoint `/wp-json/aioseo/v1/ai/image-generator` only verifying that users have the `edit_posts` capability (Contributors and above) without checking if they own or have permission to delete the specific media attachments. This makes it possible for authenticated attackers, with Contributor-level access and above, to permanently delete arbitrary media attachments by ID via the REST API, granted they can determine valid attachment IDs.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Smub Wordpress
Products
All In One Seo Wordpress
CVE-2025-14384

All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic <= 4.9.2 - Missing Authorization to Authenticated (Contributor+) AI Access Token and Credit Disclosure

The All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the `/aioseo/v1/ai/credits` REST route in all versions up to, and including, 4.9.2. This makes it possible for authenticated attackers, with Contributor-level access and above, to disclose the global AI access token.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Smub Wordpress
Products
All In One Seo Wordpress