# CVE-2026-39789: Fluent Affiliate Pro broken access control

Source: https://junglewise.ai/threats/cve-2026-39789-unauthenticated-broken-access-control-in-fluent-affiliate-pro-1-6  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-06. Updated: 2026-10-06  
License: CC BY 4.0 with a link back

CVE-2026-39789 · Severity: high · CVSS 7.5 · Published 2026-10-06

Fluent Affiliate Pro is a WordPress plugin for managing affiliate programs and commissions. An unauthenticated attacker can bypass access controls to view or perform actions they should not be permitted to access, such as viewing other users' affiliate data or commissions. This could expose sensitive business information and compromise the integrity of affiliate program management.

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

## Quick answers

**Is CVE-2026-39789 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-39789 being exploited in the wild.

**How severe is CVE-2026-39789?** High severity, with a CVSS score of 7.5, published 6 October 2026.

**Which products and versions are affected?** WP ManageNinja LLC Fluent Affiliate Pro <= 1.6.4.

**Is there a fix for CVE-2026-39789?** Yes: fixed in 1.6.5. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-39789 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-39789?** Check whether you run WP ManageNinja LLC Fluent Affiliate Pro 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 1.6.5

## Technical details

Broken access control vulnerability in Fluent Affiliate Pro allows unauthenticated users to access restricted pages and perform unauthorized actions. The vulnerability does not require authentication, network-based attack vector applies. An attacker can view or manipulate affiliate program data belonging to other users without proper authorization checks.

## Affected products

- WP ManageNinja LLC Fluent Affiliate Pro <= 1.6.4

## Timeline

- 2026-08-13: disclosed: Reported by Ananda Dhakal
- 2026-10-05: advisory
- 2026-10-05: patched

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/fluent-affiliate-pro/vulnerability/wordpress-fluent-affiliate-pro-plugin-1-6-4-broken-access-control-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/fluent-affiliate-pro/vulnerability/wordpress-fluent-affiliate-pro-plugin-1-6-4-broken-access-control-vulnerability?_s_id=cve)
