CVE-2026-16603

Content Protector (Passster) < 4.3.6 - Unauthenticated Category-Locked Content Disclosure via Core REST API

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

Passster

CVSS v3.1 CNA

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

EPSS

0.43% chance of exploitation in the next 30 days, 36th percentile

Published

2026-08-05

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/ec56a66e-e98a-4260-a0af-3ef6905ce839/

References

• CVE Record
• NVD entry