PDFDraft <= 1.1.0 - Missing Authorization to Unauthenticated Sensitive PDF Disclosure via 'slug' Parameter

5.3
Missing Authorization
CVE CVE-2026-12124
CVSS 5.3 (Medium)
Publicly Published July 27, 2026
Last Updated July 28, 2026
Researcher sl4x0

Description

The PDFDraft – Drag & Drop PDF Builder, PDF Viewer, Embed & Download PDF, Certificate & Invoice Designer plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the serveTemplatePdfAjax() function and the serveTemplatePdf() REST route (which is registered with `permission_callback => '__return_true'`) in versions up to, and including, 1.1.0. This makes it possible for unauthenticated attackers to download stored template PDFs — which may contain customer PII, invoice, order, and certificate data — by requesting the publicly registered admin-ajax action `pdfdraft_embed_pdf` or the REST endpoint `/wp-json/pdfdraft/v1/embed-pdf/templates/{slug}/pdf` with a known or guessable design slug, bypassing the plugin's own .

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Vulnerability Details for PDFDraft – Drag & Drop PDF Builder, PDF Viewer, Embed & Download PDF, Certificate & Invoice Designer

Software Type Plugin
Software Slug pdfdraft (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.1.1, or a newer patched version
Affected Version
  • <= 1.1.0
Patched Version
  • 1.1.1

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