External Control of Assumed-Immutable Web Parameter Affecting craftcms/cms package, versions <4.15.3>=5.0.0-alpha.1, <5.7.5
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-10184799
- published19 May 2025
- disclosed8 May 2025
- creditUnknown
Introduced: 8 May 2025
NewCVE-2025-35939 (opens in a new tab)How to fix?
Upgrade craftcms/cms to version 4.15.3, 5.7.5 or higher.
Overview
craftcms/cms is a content management system.
Affected versions of this package are vulnerable to External Control of Assumed-Immutable Web Parameter due to missing sanitization of the return URL requested by the client. This allows an attacker to introduce arbitrary values to a known local file location on the server.