Security Advisory

CVE-2026-15425

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-25 06:50:05

Last updated 2026-07-25 06:50:05

Assigner Wordfence

CVSS score 6.4

State PUBLISHED

Description

The Yoast SEO – 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.

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