Craft CMS disclosed and patched two critical vulnerabilities, CVE-2025-32432 and CVE-2024-58136, that can be chained or abused to achieve unauthenticated remote code execution and full compromise of vulnerable servers. The flaws affect Craft CMS 5.x before 5.6.17, 4.x before 4.14.15, and 3.x before 3.9.15; one issue involves insufficient input validation in image transformation functionality, while the other stems from unsafe handling of the __class variable in the underlying Yii 2 framework.
Researchers and national defenders reported that the vulnerabilities are being actively exploited in the wild, with investigations tying attacks to malicious requests targeting the actions/assets/generate-transform endpoint and abuse of __class parameters. Organizations running exposed Craft CMS instances were urged to patch immediately, review logs for suspicious POST activity, check file and system integrity, and rotate credentials if compromise is suspected.

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3 events from the most recent confirmed update back to the earliest known activity.
SensePost published research on an in-the-wild campaign exploiting remote code execution in Craft CMS. The reference indicates technical investigation of active exploitation, but the event date is not explicitly anchored in the provided content.
CSIRT.SK reported that CVE-2025-32432 and CVE-2024-58136 were being actively exploited in the wild and said both could enable unauthenticated remote code execution and full system compromise. The advisory identified affected Craft CMS version ranges and urged administrators to update, review logs, and rotate credentials if compromise is found.
Craft CMS published a knowledge base article for CVE-2025-32432 describing the vulnerability and providing remediation guidance. CSIRT.SK later reported that Craft CMS developers released security updates addressing CVE-2025-32432 and CVE-2024-58136.
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