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MEDIUM severity

Craft CMS vulnerable to stored Cross-site Scripting via /admin/settings/fields pageGHSA-3cvm-7wrh-qrf9

MEDIUMFix: craftcms/cms@cedeba0

GHSA-3cvm-7wrh-qrf9 is a medium-severity (CVSS 5.4) Cross-site Scripting (XSS) vulnerability in craftcms/cms. A fix is available for craftcms/cms — see the affected versions and patch details below.

Also known asCVE-2022-37247
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 4, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.6%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs47th percentile — riskier than 47% of all scored CVEsHighest risk
0.00%0.36%0.71%1.07%0.3%0.6%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐘craftcms/cms

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

Craft CMS 4.2.0.1 is vulnerable to stored a cross-site scripting (XSS) via /admin/settings/fields page.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistcraftcms/cms≥ 4.0.0-RC1&&< 4.2.14.2.1composer require craftcms/cms:^4.2.1

Affected Products

1 product · 1 configurations
Application
craft cmscraftcms
1 version
4.2.0.1

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for craftcms/cms, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update craftcms/cms to 4.2.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-3cvm-7wrh-qrf9 is resolved across your whole dependency graph.

  3. Workarounds

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

Craft CMS 4.2.0.1 is vulnerable to stored a cross-site scripting (XSS) via /admin/settings/fields page.
O3 Security · Impact-Aware SCA

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Craft CMS vulnerable to stored Cross-site Scripting via…