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