# CVE-2014-3474: PYSEC-2026-644 - OpenStack Horizon Cross-site scripting (XSS) vulnerability

Source: https://junglewise.ai/threats/cve-2014-3474-openstack-horizon-cross-site-scripting-xss-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-02  
License: CC BY 4.0 with a link back

CVE-2014-3474 · Severity: info · Published 2026-07-02

OpenStack Horizon Cross-site scripting (XSS) vulnerability

Technologies: [horizon (PyPI)](https://junglewise.ai/threats/technologies/horizon). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2014-3474 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2014-3474 being exploited in the wild.

**How severe is CVE-2014-3474?** Informational severity, published 2 July 2026.

**Which products and versions are affected?** horizon (PyPI) ECOSYSTEM:introduced=0,fixed=8.0.0a0.

**Is there a fix for CVE-2014-3474?** Yes. horizon (PyPI): upgrade to 8.0.0a0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2014-3474?** Check whether you run horizon (PyPI) 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

- horizon (PyPI): upgrade to 8.0.0a0 or later

  ```sh
  pip install "horizon>=8.0.0a0"
  ```


## Affected products

- horizon (PyPI) ECOSYSTEM:introduced=0,fixed=8.0.0a0

## Identifiers

- CVE-2014-3474
- GHSA-j57p-g33w-95c5
- PYSEC-2026-644

## Related threats

- [PYSEC-2026-821 - OpenStack Horizon Cross-site Scripting (XSS)](https://junglewise.ai/threats/cve-2017-7400-openstack-horizon-cross-site-scripting-xss)
- [PYSEC-2026-822 - OpenStack Dashboard (aka Horizon) vulnerable to Cross-site Scripting](https://junglewise.ai/threats/cve-2014-0157-openstack-dashboard-aka-horizon-vulnerable-to-cross-site-scripting)
- [PYSEC-2026-642 - Horizon-Orchestration Cross-site scripting (XSS) vulnerability through resource name](https://junglewise.ai/threats/cve-2014-3473-horizon-orchestration-cross-site-scripting-xss-vulnerability)
- [PYSEC-2026-641 - OpenStack Dashboard (Horizon) Cross-site scripting (XSS) vulnerability in the Host Aggregates interface](https://junglewise.ai/threats/cve-2014-3594-openstack-dashboard-horizon-cross-site-scripting-xss-vulnerability)
- [PYSEC-2026-643 - OpenStack Dashboard (Horizon) Cross-site scripting (XSS) vulnerability](https://junglewise.ai/threats/cve-2016-4428-openstack-dashboard-horizon-cross-site-scripting-xss-vulnerability)