# CVE-2023-37269: Winter CMS stored XSS through privileged upload of SVG file

Source: https://junglewise.ai/threats/cve-2023-37269-winter-cms-stored-xss-through-privileged-upload-of-svg-file  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-07-07  
License: CC BY 4.0 with a link back

CVE-2023-37269 · Severity: low · CVSS 3.1 · Published 2023-07-07

Winter CMS stored XSS through privileged upload of SVG file

Technologies: [wintercms/winter (Packagist)](https://junglewise.ai/threats/technologies/wintercms-winter). Vendors: [Packagist](https://junglewise.ai/threats/vendors/packagist).

## Quick answers

**Is CVE-2023-37269 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2023-37269 being exploited in the wild.

**How severe is CVE-2023-37269?** Low severity, with a CVSS score of 3.1, published 7 July 2023.

**Which products and versions are affected?** wintercms/winter (Packagist) ECOSYSTEM:introduced=0,fixed=1.2.3.

**Is there a fix for CVE-2023-37269?** Yes. wintercms/winter (Packagist): upgrade to 1.2.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2023-37269?** Check whether you run wintercms/winter (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

- wintercms/winter (Packagist): upgrade to 1.2.3 or later

  ```sh
  composer require wintercms/winter:^1.2.3
  ```


## Affected products

- wintercms/winter (Packagist) ECOSYSTEM:introduced=0,fixed=1.2.3

## Identifiers

- CVE-2023-37269
- GHSA-wjw2-4j7j-6gc3

## Related threats

- [Winter CMS Server-Side Template Injection (SSTI) vulnerability](https://junglewise.ai/threats/cve-2024-29686-winter-cms-server-side-template-injection-ssti-vulnerability)
- [Prototype pollution in Snowboard framework](https://junglewise.ai/threats/cve-2022-39357-prototype-pollution-in-snowboard-framework)
- [Bypass of CMS Safe Mode Security Feature](https://junglewise.ai/threats/bypass-of-cms-safe-mode-security-feature-07e70b94)