7.5
High
CVE-2026-16603 The Passster WordPress plugin before 4.3.6 does not enforce its category-based content protection on the WordPress REST…
Description
The Passster WordPress plugin before 4.3.6 does not enforce its category-based content protection on the WordPress REST API, allowing unauthenticated users to read the full content, title, and excerpt of category-locked posts through the core REST API.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Passster 4.3 | earliest → < 4.3.6 | 4.3.6 |
Other CVEs of Passster
The 10 CVEs of Passster →
CVE-2025-15490
The Passster WordPress plugin before 4.2.26 has a flaw in its global protection checks, allowing unauthenticated users…
5.3
Medium
CVE-2025-15489
The Passster WordPress plugin before 4.2.24 does not handle input properly in an AJAX action, allowing unauthenticated…
5.3
Medium
CVE-2026-17559
The Passster WordPress plugin before 4.3.9 does not correctly match its own public endpoint paths when deciding which…
5.3
Medium
CVE-2025-15674
The Passster WordPress plugin before 4.3.7 does not restrict low-privilege users holding the edit_posts capability…
2.7
Low