CVE-2026-16264

6.5 mediumEPSS 0.3%

Medium (6.5). EPSS 0.3% chance of exploitation in the next 30 days.

The Newsletters WordPress plugin before 4.18.1 does not perform an ownership check on some of its subscriber management actions, and issues a management session to unauthenticated visitors on request, allowing attackers to read any subscriber's personal data and overwrite any subscriber's record including their email address.

Severity

CVSS 3.1

6.5 medium

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 18% of CVEs (scores of 2026-10-31)
CWE: CWE-639
Published: 2026-09-23
Modified: 2026-09-23
Record from: the NVD, synced 2026-10-19

References

https://wpscan.com/vulnerability/0dd1de2d-e9bb-4c42-a78b-2643d43dfed6/

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