CVE-2026-17520
Newsletters < 4.17 - Unauthenticated API Access via Predictable API Key
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
The Newsletters WordPress plugin before 4.17 does not generate its API key using a sufficiently random source, deriving it from a publicly known value, allowing unauthenticated attackers to compute the key and perform privileged actions such as adding and deleting subscribers and sending emails, when the optional API has been enabled.
| Vendor | unknown |
| Product | newsletters |
| Published | Aug 29, 2026 |
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Affected Versions
Unknown / Newsletters
0 < 4.17
References
Credits
Erwan LR (WPScan) WPScan