CVE-2026-16604

High

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductPassster
PublishedAug 5, 2026
First seenAug 5, 2026

How to fix

Update
  • Passster4.3.6 or later

Affected products

ProductAffected versionsFixed in
Passsterv < 4.3.64.3.6

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CVE-2026-16604 · Passster · Dark Radar