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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.
Reserved 2025-05-12 | Published 2025-05-21 | Updated 2025-05-21 | Assigner WordfenceCWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
2025-05-20: | Disclosed |
muhammad yudha
www.wordfence.com/...-716f-450c-a1c2-497de8095daa?source=cve
wordpress.org/plugins/slim-seo/
plugins.trac.wordpress.org/...tags/4.5.3/src/Breadcrumbs.php
plugins.trac.wordpress.org/...tags/4.5.3/src/Breadcrumbs.php
plugins.trac.wordpress.org/...tags/4.5.3/src/Breadcrumbs.php
github.com/...ommit/b475dceff3a6bd94335d5a79eb12cdd92e2c8350
plugins.trac.wordpress.org/changeset/3296099/
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