CVE-2026-16604 — HIGH (7.5)

Vulnerability 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.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Related Weaknesses (CWE)

CWE-200

References

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

FAQ

What is CVE-2026-16604?

CVE-2026-16604 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ...

How severe is CVE-2026-16604?

CVE-2026-16604 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-16604?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.