High severity8.2NVD Advisory· Published Aug 6, 2026· Updated Aug 26, 2026
CVE-2026-16268
CVE-2026-16268
Description
The Newsletters WordPress plugin before 4.16 does not authenticate or validate a bounce-processing request before fetching a user-supplied URL on the server side, allowing unauthenticated attackers to make the site issue requests to arbitrary internal or external hosts.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <4.16
Patches
Vulnerability mechanics
References
1News mentions
1- Wordfence Intelligence Weekly WordPress Vulnerability Report (July 27, 2026 to August 2, 2026)Wordfence Blog · Aug 8, 2026