CVE-2023-4160

Summary

CVE-2023-4160 is a stored Cross-Site Scripting (XSS) vulnerability affecting the WooCommerce PDF Invoice Builder plugin for WordPress. The flaw, present in versions up to and including 1.2.90, is due to insufficient input sanitization and output escaping in admin settings. This issue allows authenticated attackers with administrator-level permissions to inject arbitrary web scripts. These scripts will execute whenever a user accesses an injected page, posing a significant threat. This vulnerability only impacts multi-site installations and installations where unfiltered_html has been disabled.

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