CVE-2026-16269
Newsletters < 4.16 - Unauthenticated API Authentication Bypass via Type Juggling
- State
- Published
- Severity
- 4.8 Medium
- Published
- Aug 8, 2026
- Updated
- Aug 11, 2026
- Reserved
- Jul 20, 2026
Description
The Newsletters WordPress plugin before 4.16 does not strictly compare its API authentication key, allowing unauthenticated attackers to bypass the API authentication via type juggling and perform privileged actions such as modifying subscriber records and sending emails, when the optional API has been enabled.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.8 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L | CISA-ADP |
Weaknesses
- CWE-287 Improper Authentication
Affected Products
| Product | Versions |
|---|---|
NewslettersUnknown |
|
References
- https://wpscan.com/vulnerability/8b09afba-16a5-4d6c-9e85-84433a3c0d66/exploitvdb-entrytechnical-description
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