CVE-2023-46126: Fides JavaScript Injection Vulnerability in Privacy Center URL

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-10-25 · updated 2026-06-17
Weakness: CWE-79

Description

Fides is an open-source privacy engineering platform for managing the fulfillment of data privacy requests in runtime environments, helping enforce privacy regulations in code. The Fides web application allows users to edit consent and privacy notices such as cookie banners. The vulnerability makes it possible to craft a payload in the privacy policy URL which triggers JavaScript execution when the privacy notice is served by an integrated website. The domain scope of the executed JavaScript is that of the integrated website. Exploitation is limited to Admin UI users with the contributor role or higher. The vulnerability has been patched in Fides version `2.22.1`.

Affected products

ethyca fides: before 2.22.1 — fixed in 2.22.1

How to fix

Upgrade to a fixed version: ethyca fides 2.22.1. Check the vendor advisory for mitigations.

References

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