CVE-2023-6738

Summary

CVE-2023-6738 is a Stored Cross-Site Scripting (XSS) vulnerability affecting the Pagelayer plugin for WordPress, specifically versions up to and including 1.7.8. This issue arises due to insufficient input sanitization and output escaping on user-supplied attributes in the 'pagelayer_header_code', 'pagelayer_body_open_code', and 'pagelayer_footer_code' meta fields. Consequently, authenticated attackers with contributor-level access or higher can inject arbitrary web scripts into pages, which get executed each time a user accesses an injected page. This vulnerability seems to be a reintroduction of a previously patched issue in version 1.7.7.

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