CVE-2026-123478: Meow Apps AI Engine stored cross-site scripting

CVE-2026-123478 · Severity: high · CVSS 7.1 · Published 2026-11-11

AI Engine is a WordPress plugin that provides AI-powered functionality for WordPress websites. A stored cross-site scripting (XSS) vulnerability allows attackers to inject malicious scripts that can steal visitor data or hijack user accounts. The vulnerability affects versions up to 3.9.1 and requires an attacker to trick a privileged user into clicking a malicious link or visiting a crafted page.

Technologies: Meow Apps AI Engine. Vendors: Meow Apps.

Quick answers

Is CVE-2026-123478 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-123478 being exploited in the wild.
How severe is CVE-2026-123478?
High severity, with a CVSS score of 7.1, published 11 November 2026.
Which products and versions are affected?
Meow Apps AI Engine 3.9.1 and earlier.
Is there a fix for CVE-2026-123478?
Yes: fixed in 3.9.2. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-123478 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-123478?
Check whether you run Meow Apps AI Engine at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: 3.9.2

Technical details

An improper neutralization of user input in AI Engine versions 3.9.1 and earlier allows stored XSS injection during web page generation. The vulnerability requires user interaction from a privileged user but can result in arbitrary script execution in the context of the affected WordPress site. The issue has been patched in version 3.9.2.

Affected products

  • Meow Apps AI Engine 3.9.1 and earlier

Timeline

  • 2026-11-09: disclosed
  • 2026-11-09: patched

References

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