# CVE-2026-96334: ThemeGrill User Registration broken access control

Source: https://junglewise.ai/threats/cve-2026-96334-missing-authorization-vulnerability-in-themegrill-user  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-09. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-96334 · Severity: medium · CVSS 5.6 · Published 2026-10-09

User Registration is a WordPress plugin that manages user registration and account creation on websites. A broken access control vulnerability allows unauthenticated attackers to access pages and perform actions they should not be permitted to, such as viewing other users' data or modifying account information. This could expose sensitive user information or allow unauthorized account manipulation.

Technologies: [ThemeGrill User Registration](https://junglewise.ai/threats/technologies/themegrill-user-registration). Vendors: [ThemeGrill](https://junglewise.ai/threats/vendors/themegrill).

## Quick answers

**Is CVE-2026-96334 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-96334 being exploited in the wild.

**How severe is CVE-2026-96334?** Medium severity, with a CVSS score of 5.6, published 9 October 2026.

**Which products and versions are affected?** ThemeGrill User Registration through 5.2.7.

**Is there a fix for CVE-2026-96334?** Yes: fixed in 5.2.8. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-96334 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-96334?** Check whether you run ThemeGrill User Registration 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 5.2.8

## Technical details

Broken access control in the User Registration plugin through version 5.2.7 fails to properly validate authorization before allowing access to sensitive pages and functions. The vulnerability is accessible to unauthenticated users via the network, allowing information disclosure and unauthorized actions without requiring authentication. A fix was released in version 5.2.8.

## Affected products

- ThemeGrill User Registration through 5.2.7

## Timeline

- 2026-10-09: disclosed
- 2026-10-04: patched

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/user-registration/vulnerability/wordpress-user-registration-plugin-5-2-7-broken-access-control-vulnerability-2?_s_id=cve](https://patchstack.com/database/wordpress/plugin/user-registration/vulnerability/wordpress-user-registration-plugin-5-2-7-broken-access-control-vulnerability-2?_s_id=cve)

## Related threats

- [ThemeGrill User Registration broken access control](https://junglewise.ai/threats/cve-2026-124258-missing-authorization-vulnerability-in-themegrill-user)
- [ThemeGrill User Registration broken access control](https://junglewise.ai/threats/cve-2026-119522-missing-authorization-vulnerability-in-themegrill-user)
- [ThemeGrill User Registration missing authorization](https://junglewise.ai/threats/cve-2026-120840-missing-authorization-vulnerability-in-themegrill-user)
- [ThemeGrill User Registration Cross Site Scripting](https://junglewise.ai/threats/cve-2026-27061-subscriber-cross-site-scripting-xss-in-user-registration-5-3-0)
- [ThemeGrill User Registration broken access control](https://junglewise.ai/threats/cve-2026-25450-missing-authorization-vulnerability-in-themegrill-user)