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PDFDraft CVE-2026-12124

| EUVDEUVD-2026-49689 MEDIUM
Missing Authorization (CWE-862)
2026-07-28 Wordfence GHSA-vqr6-98r6-wqvg
5.3
CVSS 3.1 · Vendor: Wordfence
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Probe for plugin presence
  2. Delivery
    Guess or discover design slug
  3. Exploit
    Send GET request to REST endpoint
  4. Execution
    Receive PDF with sensitive data
  5. Impact
    Extract customer PII or invoices

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization checks on every request
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

The attacker does not require any privileged access or user interaction. The specific condition for exploitation is knowledge of a valid design slug for a template. While the plugin does not expose a list of slugs by default, they may be guessable based on common naming patterns or leaked in other parts of the site (e.g., shortcodes, logs). The REST endpoint and admin-ajax action are publicly accessible without authentication, fulfilling the AV:N/AC:L/PR:N/UI:N vector. Limiting factors: the attacker must discover or guess a valid slug; if no sensitive data is stored in template PDFs, the impact is negligible.

Impact

The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N) indicates a network-accessible, low-complexity, unauthenticated attack with no user interaction, but only low confidentiality impact. No EPSS score, CISA KEV status, or public proof-of-concept have been provided, so the real-world exploitation likelihood is unknown. The vulnerability is real and easily exploitable if attackers can guess or enumerate design slugs, but the impact is limited to reading stored PDF data. Given the lack of active exploitation signals and the medium CVSS score, this is a moderate priority that should be addressed through patching, but it does not warrant immediate emergency response unless sensitive data is stored in these templates.

Exploit ScenarioDerived

An attacker scans WordPress websites for the PDFDraft plugin, then enumerates common or guessable design slugs (e.g., 'invoice', 'certificate', 'default') by sending GET requests to /wp-json/pdfdraft/v1/embed-pdf/templates/invoice/pdf. If a valid slug is found, the server returns the corresponding template PDF, which may contain customer PII, invoice details, or order information. No authentication is required, and the attack can be automated.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 28, 2026

Unauthorized data access in the PDFDraft WordPress plugin allows unauthenticated attackers to download stored template PDFs containing customer PII, invoices, orders, and certificates. This is due to a missing capability check in the serveTemplatePdfAjax() function and the REST route registered with __return_true, affecting versions up to and including 1.1.0. No public exploit or active exploitation has been identified at the time of analysis, and the CVSS base score of 5.3 reflects the moderate but easily exploitable nature of the issue.

RemediationAI

The primary fix is to upgrade the PDFDraft plugin to version 1.1.1 or later, as evidenced by the Trac changeset that adds capability checks to the affected functions. Users should update via the WordPress admin dashboard or by downloading the latest version from the WordPress plugin repository. If immediate patching is not possible, as a workaround, administrators can restrict access to the REST endpoint /wp-json/pdfdraft/v1/embed-pdf/templates/{slug}/pdf by adding an IP whitelist or a custom authentication check via a WordPress mu-plugin, but this may break legitimate functionality. Additionally, reviewing and removing any sensitive data from template PDF files would reduce exposure; however, this does not address the underlying vulnerability. Side effects of the workaround include potential denial of service for legitimate users and added maintenance overhead.

Affected VersionsENISA

PDFDraft – Drag & Drop PDF Builder, PDF Viewer, Embed & Download PDF, Certificate & Invoice Designer 0 ≤1.1.0

Affected Packages

euvd pdfdraft_drag_drop_pdf_builder_pdf_viewer_embed_download_pdf_certificate_invoice_designer no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The vulnerability resides in WordPress plugin 'PDFDraft - Drag & Drop PDF Builder, PDF Viewer, Embed & Download PDF, Certificate & Invoice Designer' (CPE: cpe:2.3:a:wpeverest:pdfdraft_-_drag_&_drop_pdf_builder,_pdf_viewer,_embed_&_download_pdf,_certificate_&_invoice_designer:*:*:*:*:*:*:*:*). The plugin uses WordPress AJAX actions and REST API endpoints to serve template PDFs. The function serveTemplatePdfAjax() (hooked to admin-ajax action pdfdraft_embed_pdf) and the REST route /wp-json/pdfdraft/v1/embed-pdf/templates/{slug}/pdf lack proper capability checks, with the REST route explicitly using permission_callback => '__return_true' to allow unauthenticated access. This is a classic CWE-862 Missing Authorization flaw where the application fails to enforce access control before serving sensitive data.

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Severity by source

Vendor (Wordfence) PRIMARY 5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
vuln.today AI 5.3 MEDIUM

No authentication or user interaction, network accessible, low complexity, only low confidentiality impact.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (Wordfence).

CVSS VectorVendor: Wordfence

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

DescriptionCVE.org

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 .

Threat Intelligence Overview

EPSS Score
0.2%
Top 89% exploitable
Prevalence
Low
Niche WordPress plugin, limited deployment
Social Media
1
Sightings
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.2%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
Yes
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

26
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +26
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

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