CVE-2026-16269

4.8 mediumEPSS 0.4%

Medium (4.8). EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

4.8 medium

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 30% of CVEs (scores of 2026-10-31)
CWE: CWE-287
Published: 2026-08-08
Modified: 2026-08-26
Record from: the NVD, synced 2026-10-19

References

https://wpscan.com/vulnerability/8b09afba-16a5-4d6c-9e85-84433a3c0d66/

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