Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') Affecting craftcms/cms package, versions >=5.6.0, <5.9.11
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PHP-CRAFTCMSCMS-15674466
- published17 Mar 2026
- disclosed16 Mar 2026
- creditq1uf3ng
Introduced: 16 Mar 2026
NewCVE-2026-32263 (opens in a new tab)How to fix?
Upgrade craftcms/cms to version 5.9.11 or higher.
Overview
craftcms/cms is a content management system.
Affected versions of this package are vulnerable to Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') in the actionApplyOverrideSettings function. An attacker can execute arbitrary code by injecting malicious behavior or event handlers via specially crafted request parameters.
Notes: This is only exploitable if the attacker has Craft control panel administrator permissions and the allowAdminChanges setting is enabled.