# CVE-2026-120858: FluentForm missing authorization in access control

Source: https://junglewise.ai/threats/cve-2026-120858-missing-authorization-vulnerability-in-wp-manageninja-llc  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-08. Updated: 2026-11-08  
License: CC BY 4.0 with a link back

CVE-2026-120858 · Severity: medium · CVSS 6.5 · Published 2026-11-08

FluentForm is a WordPress form-building plugin used by website administrators to create and manage contact forms and data collection. The plugin contains a broken access control vulnerability that allows unauthorized users to view pages or perform actions they should not be permitted to access, potentially exposing sensitive form data or allowing unwanted modifications. An attacker with no authentication required can exploit this weakness to bypass security restrictions.

Technologies: [WP ManageNinja LLC FluentForm](https://junglewise.ai/threats/technologies/fluentform). Vendors: [WP ManageNinja LLC](https://junglewise.ai/threats/vendors/wp-manageninja-llc).

## Quick answers

**Is CVE-2026-120858 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-120858 being exploited in the wild.

**How severe is CVE-2026-120858?** Medium severity, with a CVSS score of 6.5, published 8 November 2026.

**Which products and versions are affected?** WP ManageNinja LLC FluentForm through 6.2.16.

**Is there a fix for CVE-2026-120858?** Yes: fixed in 6.2.17. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-120858 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-120858?** Check whether you run WP ManageNinja LLC FluentForm 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 6.2.17

## Technical details

A broken access control vulnerability exists in FluentForm that allows improperly configured security levels to be bypassed. The vulnerability is unauthenticated and network-accessible, allowing attackers to access restricted pages or perform restricted actions. The issue has been patched in version 6.2.17.

## Affected products

- WP ManageNinja LLC FluentForm through 6.2.16

## Timeline

- 2026-11-08: disclosed
- 2026-11-06: advisory

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/fluentform/vulnerability/wordpress-fluentform-plugin-6-2-16-broken-access-control-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/fluentform/vulnerability/wordpress-fluentform-plugin-6-2-16-broken-access-control-vulnerability?_s_id=cve)

## Related threats

- [WP ManageNinja FluentForm broken access control in form handling](https://junglewise.ai/threats/cve-2026-111831-missing-authorization-vulnerability-in-wp-manageninja-llc)
- [WP ManageNinja FluentForm stored cross-site scripting](https://junglewise.ai/threats/cve-2026-103343-improper-neutralization-of-input-during-web-page-generation)
- [WP ManageNinja FluentForm broken access control in form handling](https://junglewise.ai/threats/cve-2026-103353-incorrect-behavior-order-vulnerability-in-wp-manageninja-llc)