CVE-2026-16603 - Vulnerability Details - OpenCVE

The Passster WordPress plugin before 4.3.6 does not enforce its category-based content protection on the WordPress REST API, allowing unauthenticated users to read the full content, title, and excerpt of category-locked posts through the core REST API.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00156.

Exploitation poc

Automatable yes

Technical Impact partial

No data.

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products

References

Link	Providers
https://wpscan.com/vulnerability/ec56a66e-e98a-4260-a0af-3ef6905ce839/

History

Wed, 05 Aug 2026 16:30:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-200
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}` ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Wed, 05 Aug 2026 07:45:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-284 CWE-862

Wed, 05 Aug 2026 06:30:00 +0000

Type	Values Removed	Values Added
Description		The Passster WordPress plugin before 4.3.6 does not enforce its category-based content protection on the WordPress REST API, allowing unauthenticated users to read the full content, title, and excerpt of category-locked posts through the core REST API.
Title		Content Protector (Passster) < 4.3.6 - Unauthenticated Category-Locked Content Disclosure via Core REST API
References		https://wpscan.com/vulnerability/ec56a66e-e98a-4260-a0af-3ef6905ce839/

MITRE

Status: PUBLISHED

Assigner: WPScan

Published: 2026-08-05T06:00:09.588Z

Updated: 2026-08-05T15:20:22.641Z

Reserved: 2026-07-22T14:20:50.104Z

Link: CVE-2026-16603

Vulnrichment

Updated: 2026-08-05T15:20:19.468Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-08-05T17:30:07Z

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