CVE-2026-123478 WordPress AI Engine plugin <= 3.9.1 - Cross Site Scripting (XSS) vulnerability
Attackers can store malicious scripts via the AI Engine WordPress plugin that run in visitors' browsers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Harmful if only installed
- No
- Needs a specific call
- No
- Fix
- None listed
What is CVE-2026-123478?
CVE-2026-123478 is a high-severity cross-site scripting vulnerability in Meow Apps AI Engine, published on 11 Nov 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Meow Apps AI Engine ai-engine allows Stored XSS.This issue affects AI Engine: from n/a through 3.9.1.
Weakness: CWE-79
Which versions are affected by CVE-2026-123478?
An affected version is exposed as installed. No special setting or call is needed.
How do I fix CVE-2026-123478?
No fix has been published for CVE-2026-123478 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-123478 being exploited?
There is no known exploitation of CVE-2026-123478 in the wild and no public exploit code.
Sources
Also known as GHSA-q6fw-4875-cj8j.