CVE-2026-16604: CWE-200 Information Exposure in Passster
Passster WordPress plugin versions before 4.3.6 expose password-protected content in the public page response before password verification, allowing unauthenticated users to access protected content. This vulnerability leads to information disclosure without requiring authentication.
AI Analysis
Technical Summary
CVE-2026-16604 is an information exposure vulnerability (CWE-200) in the Passster WordPress plugin. Versions prior to 4.3.6 output the content of password-protected blocks in the public page response before verifying the password, enabling unauthenticated users to retrieve the protected content without knowing the password. This flaw compromises the confidentiality of protected content.
Potential Impact
The vulnerability allows an attacker with no privileges or authentication to access sensitive content intended to be protected by a password. This results in a confidentiality breach but does not affect integrity or availability.
Mitigation Recommendations
No official patch or remediation guidance is currently confirmed. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, avoid using vulnerable versions or restrict access to affected content by other means.
CVE-2026-16604: CWE-200 Information Exposure in Passster
Description
Passster WordPress plugin versions before 4.3.6 expose password-protected content in the public page response before password verification, allowing unauthenticated users to access protected content. This vulnerability leads to information disclosure without requiring authentication.
CVSS v3.1
Score 7.5high
Affected software
Passster
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-16604 is an information exposure vulnerability (CWE-200) in the Passster WordPress plugin. Versions prior to 4.3.6 output the content of password-protected blocks in the public page response before verifying the password, enabling unauthenticated users to retrieve the protected content without knowing the password. This flaw compromises the confidentiality of protected content.
Potential Impact
The vulnerability allows an attacker with no privileges or authentication to access sensitive content intended to be protected by a password. This results in a confidentiality breach but does not affect integrity or availability.
Mitigation Recommendations
No official patch or remediation guidance is currently confirmed. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, avoid using vulnerable versions or restrict access to affected content by other means.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-07-22T14:20:57.363Z
- State
- PUBLISHED
Threat ID: 6a72d7aebf8831d5395e82b6
Added to database: 08/05/2026, 06:26:54 UTC
Last enriched: 08/12/2026, 15:33:22 UTC
Last updated: 09/17/2026, 22:01:33 UTC
Views: 28
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