Deserialization of Untrusted Data vulnerability in Pdfcrowd Save as PDF plugin by Pdfcrowd allows Object Injection. This issue affects Save as PDF plugin by Pdfcrowd: from n/a through 4.4.0.

The Save as PDF Plugin by Pdfcrowd plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'save_as_pdf_pdfcrowd' shortcode in all versions up to, and including, 4.2.1 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.

The Save as PDF Plugin by Pdfcrowd WordPress plugin before 3.2.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

Missing Authorization vulnerability in Pdfcrowd Save as PDF plugin by Pdfcrowd allows Stored XSS.This issue affects Save as PDF plugin by Pdfcrowd: from n/a through 3.2.0.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Pdfcrowd Save as PDF plugin by Pdfcrowd allows Stored XSS.This issue affects Save as PDF plugin by Pdfcrowd: from n/a through 3.2.1 .