CVE-2026-89300 WP Verify API <= 1.0.0 - Unauthenticated Verification Code Email Sending to Arbitrary Recipients
Unauthenticated attackers can send verification emails to arbitrary addresses and modify database entries due to missing authorization checks.
- 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-2026-89300?
CVE-2026-89300 is a medium-severity missing authorization vulnerability in Unknown WP Verify API, published on 28 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The WP Verify API WordPress plugin through 1.0.0 does not have any authorisation check in one of its REST routes, allowing unauthenticated users to insert arbitrary data into its own database table, as well as to make the site send templated verification emails to arbitrary email addresses. The route is not rate limited either.
Weakness: CWE-862
Which versions are affected by CVE-2026-89300?
How do I fix CVE-2026-89300?
No fix has been published for CVE-2026-89300 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-2026-89300 being exploited?
There is no known exploitation of CVE-2026-89300 in the wild and no public exploit code.
Sources
Also known as GHSA-9p3v-99mv-6443.