CVE-2026-14603 WowOptin < 1.4.38 - Unauthenticated Opt-in Deactivation and Template Row Injection
Unauthenticated attackers can disable site opt-in forms and inject database rows due to missing authorization on a REST endpoint.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-14603?
CVE-2026-14603 is a high-severity missing authorization vulnerability in Unknown WowOptin: Next-Gen Popup Maker, published on 24 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-284
Which versions are affected by CVE-2026-14603?
How do I fix CVE-2026-14603?
No fix has been published for CVE-2026-14603 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-14603 being exploited?
There is no known exploitation of CVE-2026-14603 in the wild and no public exploit code.
Sources
Also known as GHSA-9799-vjx2-vf67.