What is CVE-2026-16268?

CVE-2026-16268 is a high-severity vulnerability in Newsletters, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.2/10. Published 2026-08-06.

How severe is CVE-2026-16268?

High severity. CVSS v3 base score is 8.2 out of 10.

SSRF in Newsletters

CVE-2026-16268

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 arbitr…

Vulnerability class: SSRF (Server-Side Request Forgery)

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N.

Affected products

Unknown Newsletters — versions 0

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-16268?: CVE-2026-16268 is a high-severity vulnerability in Newsletters, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.2/10. Published 2026-08-06.
How severe is CVE-2026-16268?: High severity. CVSS v3 base score is 8.2 out of 10.