CVE-2026-82923 AI Website Builder (GitHub build) 1.0.0 - Unauthenticated RCE via Unprotected REST Routes

Critical 9.8 Published Updated

Unauthenticated attackers can exploit unprotected REST API routes to install plugins, write files, and achieve remote code execution on the WordPress site.

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-2026-82923?

CVE-2026-82923 is a critical missing authorization vulnerability in Unknown AI Website Builder (GitHub build), published on 4 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The AI Website Builder WordPress plugin (GitHub build) 1.0.0 does not perform any authorisation or nonce check on its REST API routes, allowing unauthenticated attackers to install and activate plugins and themes, import content from a URL under their control, write a file of their choosing into the uploads directory, and delete site content and media. On a host that serves PHP from the uploads directory, that file write is remote code execution.

Weakness: CWE-862

Which versions are affected by CVE-2026-82923?

How do I fix CVE-2026-82923?

No fix has been published for CVE-2026-82923 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-2026-82923 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-82923 exists.

Sources

Also known as GHSA-29vj-8rr9-r87m.

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