Medium severity6.5NVD Advisory· Published Sep 23, 2026· Updated Sep 23, 2026
CVE-2026-16264
CVE-2026-16264
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <4.18.1
Patches
Vulnerability mechanics
References
1News mentions
1- Wordfence Intelligence Weekly WordPress Vulnerability Report (September 21, 2026 to September 27, 2026)Wordfence Blog · Oct 1, 2026