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

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). 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
    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

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