What is CVE-2026-14603?

CVE-2026-14603 is a high-severity vulnerability in Wowoptin: Next-Gen Popup Maker, classified under Improper Access Control. CVSS score: 7.5/10. Published 2026-07-24.

How severe is CVE-2026-14603?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Wowoptin: Next-Gen Popup Maker

CVE-2026-14603

The WowOptin: Next-Gen Popup Maker WordPress plugin before 1.4.38 does not have proper authorization on a REST endpoint, allowing unauthenticated users to disable all of the site's opt-in forms and insert new template-based opt-in rows into the database.

EPSS: 0.002 (15.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Unknown Wowoptin: Next-gen Popup Maker — versions 0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

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

Frequently asked questions

What is CVE-2026-14603?: CVE-2026-14603 is a high-severity vulnerability in Wowoptin: Next-Gen Popup Maker, classified under Improper Access Control. CVSS score: 7.5/10. Published 2026-07-24.
How severe is CVE-2026-14603?: High severity. CVSS v3 base score is 7.5 out of 10.