WordPress CVEs

Description

The Slim SEO – Fast & Automated WordPress SEO Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's slim_seo_breadcrumbs shortcode in all versions up to, and including, 4.5.3 due to insufficient input sanitization and output escaping on user supplied attributes. 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.

Affected WordPress components

• Slim SEO – AI SEO Plugin, Lightweight, Fast & Automated Plugin · slim-seo
  Confirmed match Active
  Up to and including 4.5.3
  View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

• rilwis Slim SEO – A Fast & Automated SEO Plugin For WordPress — Up to and including 4.5.3

References

• github.com https://github.com/elightup/slim-seo/commit/b475dceff3a6bd94335d5a79eb12cdd92e2c8350
• plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/slim-seo/tags/4.5.3/src/Breadcrumbs.php#L109
• plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/slim-seo/tags/4.5.3/src/Breadcrumbs.php#L37
• plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/slim-seo/tags/4.5.3/src/Breadcrumbs.php#L85
• plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3296099/
• wordpress.org https://wordpress.org/plugins/slim-seo/#developers
• www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/6318a1cf-716f-450c-a1c2-497de8095daa?source=cve
• nvd.nist.gov Official NVD record