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Document Embedder CVE-2026-16567

| EUVDEUVD-2026-66870 MEDIUM
Authorization Bypass Through User-Controlled Key (CWE-639)
2026-08-27 contact@wpscan.com GHSA-r4m2-c49p-wch4
5.3
CVSS 3.1 · Vendor: wpscan
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Severity by source

Vendor (wpscan) 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

Unauthenticated network access with no complexity; read-only partial confidentiality impact; no integrity or availability effect.

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 (wpscan).

CVSS VectorVendor: wpscan

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

Lifecycle Timeline

4
Analysis Generated
Aug 27, 2026 - 16:38 vuln.today
Patch available
Aug 27, 2026 - 08:16 EUVD
CVE Published
Aug 27, 2026 - 06:16 cve.org
MEDIUM 5.3
CVE Published
Aug 27, 2026 - 06:16 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

The Document Embedder WordPress plugin before 2.3.1 does not check a document's status before issuing a download token and streaming the file, allowing unauthenticated attackers to download arbitrary Document Embedder WordPress plugin before 2.3.1 documents, including private and draft ones, by enumerating IDs.

AnalysisAI

Unauthenticated arbitrary document download in the Document Embedder WordPress plugin before 2.3.1 exposes private and draft documents to any remote attacker via sequential ID enumeration. The plugin's download endpoint issues tokens and streams file content without first verifying the publication status of the requested document, creating a broken object-level authorization flaw (CWE-639). …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation No authentication is required and no special configuration is needed beyond having the Document Embedder plugin installed and active on a WordPress site running a version prior to 2.3.1. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The NVD CVSS base score of 5.3 (Medium) is consistent with a confidentiality-only, partial-impact, unauthenticated network flaw. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade the Document Embedder WordPress plugin to version 2.3.1 or later; this is the vendor-released patch confirmed by WPScan per the advisory at https://wpscan.com/vulnerability/abf97927-cee2-44f4-a495-c7571d43be95/. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-16567 vulnerability details – vuln.today

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