# CVE-2026-22254: Winter CMS has Stored Cross-site Scripting (XSS) in Asset Manager

Source: https://junglewise.ai/threats/cve-2026-22254-winter-cms-has-stored-cross-site-scripting-xss-in-asset-manager  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-02-04  
License: CC BY 4.0 with a link back

CVE-2026-22254 · Severity: low · CVSS 3.1 · Published 2026-02-04

Winter CMS has Stored Cross-site Scripting (XSS) in Asset Manager

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

## Quick answers

**Is CVE-2026-22254 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-22254 being exploited in the wild.

**How severe is CVE-2026-22254?** Low severity, with a CVSS score of 3.1, published 4 February 2026.

**Which products and versions are affected?** winter/wn-cms-module (Packagist) ECOSYSTEM:introduced=0,fixed=1.2.10.

**Is there a fix for CVE-2026-22254?** Yes. winter/wn-cms-module (Packagist): upgrade to 1.2.10 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2026-22254?** Check whether you run winter/wn-cms-module (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

- winter/wn-cms-module (Packagist): upgrade to 1.2.10 or later

  ```sh
  composer require winter/wn-cms-module:^1.2.10
  ```


## Affected products

- winter/wn-cms-module (Packagist) ECOSYSTEM:introduced=0,fixed=1.2.10

## Identifiers

- CVE-2026-22254
- GHSA-m7gw-rffq-rxjm

## Related threats

- [Winter CMS broken access control in Cms Controllers Index](https://junglewise.ai/threats/cve-2026-32639-winter-cms-broken-access-control-in-cms-controllers-index)
- [Winter CMS Modules allows a sandbox bypass in Twig templates leading to data modification and deletion](https://junglewise.ai/threats/cve-2024-54149-winter-cms-modules-allows-a-sandbox-bypass-in-twig-templates)