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🐍 PyPI
Not in CISA KEV
LOW severity

Fides JavaScript Injection Vulnerability in Privacy Center URLGHSA-fgjj-5jmr-gh83

LOWFix: ethyca/fides@3231d19

GHSA-fgjj-5jmr-gh83 is a low-severity (CVSS 3.9) Cross-site Scripting (XSS) vulnerability in ethyca-fides. A fix is available for ethyca-fides — see the affected versions and patch details below.

Also known asCVE-2023-46126PYSEC-2026-1340
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Oct 29, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for GHSA-fgjj-5jmr-gh83.

EPSS Exploitation Probability

via FIRST.org ↗
0.7%probability of exploitation in next 30 days
Lower Risk+0.06%
Lower risk than most CVEs52th percentile — riskier than 52% of all scored CVEsHighest risk
0.00%0.39%0.78%1.17%0.1%0.7%Apr 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐍ethyca-fides

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

Description

Impact

The Fides web application allows users to edit consent and privacy notices such as cookie banners. These privacy notices can then be served by other integrated websites, for example in cookie consent banners. One of the editable fields is a privacy policy URL and this input was found to not be validated.

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.

Patches

The vulnerability has been patched in Fides version 2.22.1. Users are advised to upgrade to this version or later to secure their systems against this threat.

Workarounds

There are no workarounds.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐍PyPIethyca-fidesall versions2.22.1pip install --upgrade 'ethyca-fides==2.22.1'

Affected Products

1 product · 1 configurations
Application
fidesethyca
< 2.22.1
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for ethyca-fides, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update ethyca-fides to 2.22.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-fgjj-5jmr-gh83 is resolved across your whole dependency graph.

  3. Workarounds

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

### Impact The Fides web application allows users to edit consent and privacy notices such as cookie banners. These privacy notices can then be served by other integrated websites, for example in cookie consent banners. One of the editable fields is a privacy policy URL and this input was found to not be validated. 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 t
O3 Security · Impact-Aware SCA

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Fides JavaScript Injection Vulnerability in Privacy Center…