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Yoast SEO <= 22.6 is vulnerable to Authenticated (Contributor+) Stored Cross-Site Scripting vulnerability

Contributor
Published
2024-05-15

The Yoast SEO plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘display_name’ author meta in all versions up to, and including, 22.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVSS

Score:6.5

Severity:Medium

Version: 22.6

There is a patch available in v22.7 and we strongly recommend you update to this version as soon as possible.