Access Control Vulnerability in Passster by WP Chill
CVE-2026-121574

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Passster
Vendor
CVE Published:
11 November 2026

What is CVE-2026-121574?

The Passster content protection plugin for WordPress contains a missing authorization vulnerability that stems from incorrectly configured access control security levels. This flaw allows unauthorized users to gain access to restricted content, potentially leading to data exposure and exploitation of sensitive information. Users of Passster versions up to 4.3.20 should take immediate action to review their configurations and implement necessary security measures to mitigate this risk.

Affected Version(s)

Passster 0 <= 4.3.20

References

https://patchstack.com/database/wordpress/plugin/content-...
vdb-entry

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Trent | Patchstack Bug Bounty Program
.