CVE-2026-16604

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.

CVSS v3.1

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

EPSS

0.32% chance of exploitation in the next 30 days, 24th percentile

Published

2026-08-05

Proof-of-concept exploits (1)

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

References

• CVE Record
• NVD entry

Related

• CVE-2026-16603
• CVE-2026-16605
• CVE-2026-16602
• CVE-2026-16608
• CVE-2026-16600
• CVE-2026-16611