{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-15425", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-07-10T16:20:53.214Z", "datePublished": "2026-07-25T06:50:05.480Z", "dateUpdated": "2026-07-25T06:50:05.480Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-07-25T06:50:05.480Z"}, "affected": [{"vendor": "yoast", "product": "Yoast SEO \u2013 Advanced SEO with real-time guidance and built-in AI", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "28.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Yoast SEO \u2013 Advanced SEO with real-time guidance and built-in AI plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Post Slug (post_name) in all versions up to, and including, 28.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This requires pretty permalinks to be enabled, as the exploit chain depends on get_permalink() embedding the stored percent-encoded post_name in the generated URL."}], "title": "Yoast SEO <= 28.0 - Authenticated (Author+) Stored Cross-Site Scripting via Post Slug (post_name)", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/4b2fa1b7-a5af-4ea6-9bee-19a6cdfd7701?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/wordpress-seo/tags/28.0/admin/class-bulk-editor-list-table.php#L900"}, {"url": "https://plugins.trac.wordpress.org/browser/wordpress-seo/tags/28.0/admin/class-bulk-editor-list-table.php#L898"}, {"url": "https://plugins.trac.wordpress.org/browser/wordpress-seo/tags/27.6/admin/class-bulk-editor-list-table.php#L900"}, {"url": "https://plugins.trac.wordpress.org/browser/wordpress-seo/tags/27.6/admin/class-bulk-editor-list-table.php#L898"}, {"url": "https://plugins.trac.wordpress.org/changeset/3598937/wordpress-seo/trunk/admin/class-bulk-editor-list-table.php"}, {"url": "https://plugins.trac.wordpress.org/changeset?old_path=%2Fwordpress-seo/tags/28.0&new_path=%2Fwordpress-seo/tags/28.1"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "cweId": "CWE-79", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "baseScore": 6.4, "baseSeverity": "MEDIUM"}}], "credits": [{"lang": "en", "type": "finder", "value": "Dmitrii Ignatyev"}], "timeline": [{"time": "2026-07-24T17:58:17.000Z", "lang": "en", "value": "Disclosed"}]}}}

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