CVE-2026-16604

HIGH

Content Protector (Passster) < 4.3.6 - Unauthenticated Protected Content Disclosure via Content-Lock Block data-content Attribute

Title source: cna

Description

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.

References (1)

Core 1

Core References

Exploit exploit vdb-entry technical-description

https://wpscan.com/vulnerability/6a3222e3-352f-4fe8-b17f-b2980c3528e4/

Scores

CVSS v3 7.5

EPSS 0.0032

EPSS Percentile 24.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact partial

Details

CWE

CWE-200

Status published

Products (1)

None/Passster < 4.3.6

Published Aug 05, 2026

Tracked Since Aug 05, 2026