# CVE-2020-19002: Mezzanine Cross Site Scripting (XSS) vulnerability

Source: https://junglewise.ai/threats/cve-2020-19002-mezzanine-cross-site-scripting-xss-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-08-27  
License: CC BY 4.0 with a link back

CVE-2020-19002 · Severity: low · CVSS 3.1 · Published 2021-08-27

Cross Site Scripting (XSS) in Mezzanine v4.3.1 allows remote attackers to execute arbitrary code via the 'Description' field of the component 'admin/blog/blogpost/add/'. This issue is different than CVE-2018-16632.

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

## Quick answers

**Is CVE-2020-19002 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2020-19002 being exploited in the wild.

**How severe is CVE-2020-19002?** Low severity, with a CVSS score of 3.1, published 27 August 2021.

**Which products and versions are affected?** Mezzanine (PyPI) ECOSYSTEM:introduced=0, ECOSYSTEM:introduced=0,last_affected=6.0.0.

**Is there a fix for CVE-2020-19002?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2020-19002?** Check whether you run Mezzanine (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.

## Affected products

- Mezzanine (PyPI) ECOSYSTEM:introduced=0, ECOSYSTEM:introduced=0,last_affected=6.0.0

## Identifiers

- CVE-2020-19002
- GHSA-fpv7-hx6r-9vcx
- PYSEC-2021-343

## Related threats

- [PYSEC-2026-1627 - Mezzanine allows attackers to bypass access control mechanisms](https://junglewise.ai/threats/cve-2024-25169-mezzanine-allows-attackers-to-bypass-access-control-mechanisms)
- [PYSEC-2026-1626 - Mezzanine allows attackers to bypass access controls via manipulating the Host header](https://junglewise.ai/threats/cve-2024-25170-mezzanine-cms-access-control-bypass-via-host-header-manipulation)
- [Mezzanine CMS stored XSS in blog post component](https://junglewise.ai/threats/cve-2025-50481-mezzanine-cms-stored-xss-in-blog-post-component)
- [Mezzanine CMS stored XSS in displayable_links_js function](https://junglewise.ai/threats/cve-2025-6050-mezzanine-cms-stored-xss-in-displayable-links-js-function)
- [Mezzanine CMS persistent XSS in Forms module via malicious filename](https://junglewise.ai/threats/cve-2025-29573-mezzanine-cms-persistent-xss-in-forms-module-via-malicious)