CVE-2026-16604: Content Protector (Passster) < 4.3.6 - Unauthenticated Protected Content Disclosure via Content-Lock Block data-content Attribute
Published Aug 5, 2026
·Updated
The Passster WordPress plugin before 4.3.6 outputs password-protected block content in the public page response before verifying the password, allowing unauthenticated users to recover the protected content without knowing the password.
Affected Software
1 affected component
WordPress plugin Passster (Content Protector)<4.3.6
Event History
Aug 5, 2026
CVE Published
via MITRE·06:00 AM
Data Sourced
via MITRE·06:00 AM
DescriptionWeakness
Data Sourced
via NVD·07:16 AM
Description
Frequently Asked Questions
1
What is the severity of CVE-2026-16604?
CVE-2026-16604 has a risk score of 55, indicating a medium severity vulnerability.
2
How do I fix CVE-2026-16604?
To fix CVE-2026-16604, update the Passster WordPress plugin to version 4.3.6 or later.
3
What type of vulnerability is CVE-2026-16604?
CVE-2026-16604 is classified as an information disclosure vulnerability.
4
What are the potential impacts of CVE-2026-16604?
CVE-2026-16604 allows unauthenticated users to access password-protected content, leading to unauthorized information exposure.
5
Which software is affected by CVE-2026-16604?
CVE-2026-16604 affects the Passster (Content Protector) WordPress plugin versions prior to 4.3.6.