Information disclosure in Passster

CVE-2026-16602

The Passster WordPress plugin before 4.3.6 does not perform a post-status check before returning post content from an unauthenticated REST endpoint, allowing unauthenticated users to disclose the content of non-public (draft, private, and…

Vulnerability class: Information Disclosure

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

  • Unknown Passster — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-16602?
CVE-2026-16602 is a high-severity vulnerability in Passster, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-08-05.
How severe is CVE-2026-16602?
High severity. CVSS v3 base score is 7.5 out of 10.