# CVE-2024-39124: PYSEC-2024-63 - In Roundup before 2.4.0, classhelpers (_generic.help.html) allow XSS.

Source: https://junglewise.ai/threats/cve-2024-39124-roundup-cross-site-scripting-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2024-07-17  
License: CC BY 4.0 with a link back

CVE-2024-39124 · Severity: low · CVSS 3.1 · Published 2024-07-17

In Roundup before 2.4.0, classhelpers (_generic.help.html) allow XSS.

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

## Quick answers

**Is CVE-2024-39124 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2024-39124 being exploited in the wild.

**How severe is CVE-2024-39124?** Low severity, with a CVSS score of 3.1, published 17 July 2024.

**Which products and versions are affected?** roundup (PyPI) ECOSYSTEM:introduced=0,fixed=2.4.0.

**Is there a fix for CVE-2024-39124?** Yes. roundup (PyPI): upgrade to 2.4.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2024-39124?** Check whether you run roundup (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

- roundup (PyPI): upgrade to 2.4.0 or later

  ```sh
  pip install "roundup>=2.4.0"
  ```


## Affected products

- roundup (PyPI) ECOSYSTEM:introduced=0,fixed=2.4.0

## Identifiers

- CVE-2024-39124
- GHSA-w8vc-cwv9-wx67
- PYSEC-2024-63

## Related threats

- [PYSEC-2026-744 - Roundup Improper Access Control](https://junglewise.ai/threats/cve-2009-2737-roundup-improper-access-control)
- [PYSEC-2026-745 - Roundup Directory traversal vulnerability](https://junglewise.ai/threats/cve-2004-1444-roundup-directory-traversal-vulnerability)
- [PYSEC-2025-69 - In Roundup before 2.5.0, XSS can occur via interaction between URLs and issue tracker templates (devel and responsive).](https://junglewise.ai/threats/cve-2025-53865-roundup-is-vulnerable-to-xss-through-interactions-between-urls)
- [PYSEC-2024-65 - Roundup before 2.4.0 allows XSS via JavaScript in PDF, XML, and SVG documents.](https://junglewise.ai/threats/cve-2024-39126-roundup-cross-site-scripting-vulnerability)
- [PYSEC-2024-64 - Roundup before 2.4.0 allows XSS via a SCRIPT element in an HTTP Referer header.](https://junglewise.ai/threats/cve-2024-39125-roundup-cross-site-scripting-vulnerability)