# copyparty vulnerable to reflected cross-site scripting via hc parameter

Source: https://junglewise.ai/threats/copyparty-vulnerable-to-reflected-cross-site-scripting-via-hc-parameter-fe93d5b6  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-07-21  
License: CC BY 4.0 with a link back

Severity: low · CVSS 3.1 · Published 2023-07-21

copyparty vulnerable to reflected cross-site scripting via hc parameter

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

## Quick answers

**Is This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** Low severity, with a CVSS score of 3.1, published 21 July 2023.

**Which products and versions are affected?** copyparty (PyPI) ECOSYSTEM:introduced=0,fixed=1.8.6.

**Is there a fix for This vulnerability?** Yes. copyparty (PyPI): upgrade to 1.8.6 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected?** Check whether you run copyparty (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

- copyparty (PyPI): upgrade to 1.8.6 or later

  ```sh
  pip install "copyparty>=1.8.6"
  ```


## Affected products

- copyparty (PyPI) ECOSYSTEM:introduced=0,fixed=1.8.6

## Related threats

- [copyparty FTP path traversal in upload](https://junglewise.ai/threats/cve-2026-104102-copyparty-ftp-upload-outside-defined-volumes-limited-path)
- [Copyparty file/dirkey confusion authorization bypass](https://junglewise.ai/threats/cve-2026-70657-copyparty-file-dirkey-confusion-authorization-bypass)
- [PYSEC-2026-1279 - copyparty: Sharing a single file does not fully restrict access to other files in source folder](https://junglewise.ai/threats/cve-2025-58753-copyparty-sharing-a-single-file-does-not-fully-restrict-access-to)
- [PYSEC-2026-1275 - copyparty allows Regex Denial of Service (ReDoS) in the upload listing](https://junglewise.ai/threats/cve-2025-54796-copyparty-allows-regex-denial-of-service-redos-in-the-upload)
- [PYSEC-2026-1276 - copyparty Reflected XSS via Filter Parameter](https://junglewise.ai/threats/cve-2025-54589-copyparty-reflected-xss-via-filter-parameter)