# CVE-2021-21029: Magento Reflected Cross-site Scripting vulnerability via 'file' parameter

Source: https://junglewise.ai/threats/cve-2021-21029-magento-reflected-cross-site-scripting-vulnerability-via-file  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-24  
License: CC BY 4.0 with a link back

CVE-2021-21029 · Severity: low · CVSS 3.1 · Published 2022-05-24

Magento Reflected Cross-site Scripting vulnerability via 'file' parameter

Technologies: [magento/community-edition (Packagist)](https://junglewise.ai/threats/technologies/packagist-magento-community-edition). Vendors: [Packagist](https://junglewise.ai/threats/vendors/packagist).

## Quick answers

**Is CVE-2021-21029 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2021-21029 being exploited in the wild.

**How severe is CVE-2021-21029?** Low severity, with a CVSS score of 3.1, published 24 May 2022.

**Which products and versions are affected?** magento/community-edition (Packagist) ECOSYSTEM:introduced=0,fixed=2.3.6-p1.

**Is there a fix for CVE-2021-21029?** Yes. magento/community-edition (Packagist): upgrade to 2.3.6-p1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2021-21029?** Check whether you run magento/community-edition (Packagist) 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

- magento/community-edition (Packagist): upgrade to 2.3.6-p1 or later

  ```sh
  composer require magento/community-edition:^2.3.6-p1
  ```


## Affected products

- magento/community-edition (Packagist) ECOSYSTEM:introduced=0,fixed=2.3.6-p1

## Identifiers

- CVE-2021-21029
- GHSA-jwxh-wj79-ccm6

## Related threats

- [Magento vulnerable to privilege escalation due to incorrect authorization](https://junglewise.ai/threats/cve-2025-54267-magento-vulnerable-to-privilege-escalation-due-to-incorrect)
- [Magento vulnerable to stored Cross-Site Scripting (XSS)](https://junglewise.ai/threats/cve-2025-54266-magento-vulnerable-to-stored-cross-site-scripting-xss)
- [Magento allows incorrect authorization](https://junglewise.ai/threats/cve-2025-54265-magento-allows-incorrect-authorization)
- [Magento vulnerable to stored Cross-Site Scripting (XSS)](https://junglewise.ai/threats/cve-2025-54264-magento-vulnerable-to-stored-cross-site-scripting-xss)
- [Magento provides incorrect authorization through a security feature bypass](https://junglewise.ai/threats/cve-2025-54263-magento-provides-incorrect-authorization-through-a-security)