# CVE-2026-92422: Meow Gallery arbitrary shortcode execution

Source: https://junglewise.ai/threats/cve-2026-92422-the-meow-gallery-wordpress-plugin-before-5-5-5-does-not-properly  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-20. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-92422 · Severity: medium · CVSS 6.5 · Published 2026-09-20

Meow Gallery, a WordPress plugin for managing image galleries, contains a vulnerability in a publicly accessible endpoint that fails to properly sanitize user input. An unauthenticated attacker can exploit this to execute arbitrary shortcodes and access private gallery content without authentication.

Technologies: [Meow Gallery](https://junglewise.ai/threats/technologies/meow-gallery-1). Vendors: [Meow](https://junglewise.ai/threats/vendors/meow).

## Quick answers

**Is CVE-2026-92422 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-92422 being exploited in the wild.

**How severe is CVE-2026-92422?** Medium severity, with a CVSS score of 6.5, published 20 September 2026.

**Which products and versions are affected?** Meow Gallery before 5.5.5.

**Is there a fix for CVE-2026-92422?** A patch was published on 2026-09-20: Fixed in version 5.5.5 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-92422 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-92422?** Check whether you run Meow Gallery 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.

## Technical details

The plugin fails to sanitize a user-supplied value before concatenating it into a shortcode string passed to WordPress's shortcode parser via the load_gallery_collection REST route. This content injection vulnerability (CWE-345) allows unauthenticated attackers to execute arbitrary registered shortcodes and disclose non-public gallery content through a network-accessible endpoint.

## Affected products

- Meow Gallery before 5.5.5

## Timeline

- 2026-09-18: disclosed
- 2026-09-20: patched: Fixed in version 5.5.5

## References

- [https://wpscan.com/vulnerability/17a94434-3ccc-4282-99f5-d18043673669/](https://wpscan.com/vulnerability/17a94434-3ccc-4282-99f5-d18043673669/)

## Related threats

- [Meow Gallery plugin for WordPress stored cross-site scripting in attachment alt text](https://junglewise.ai/threats/cve-2026-9239-the-meow-gallery-plugin-for-wordpress-is-vulnerable-to-stored)