Craft is a flexible, user-friendly CMS for creating custom digital experiences on the web and beyond. Starting from version 3.0.0-RC1 to before 3.9.15, 4.0.0-RC1 to before 4.14.15, and 5.0.0-RC1 to before 5.6.17, Craft is vulnerable to remote code execution. This is a high-impact, low-complexity attack vector. This issue has been patched in versions 3.9.15, 4.14.15, and 5.6.17, and is an additional fix for CVE-2023-41892.
https://www.securityweek.com/craft-cms-zero-day-exploited-to-compromise-hundreds-of-websites/
https://thehackernews.com/2025/04/hackers-exploit-critical-craft-cms.html
https://sensepost.com/blog/2025/investigating-an-in-the-wild-campaign-using-rce-in-craftcms/
https://github.com/craftcms/cms/commit/e1c85441fa47eeb7c688c2053f25419bc0547b47
https://github.com/craftcms/cms/blob/5.x/CHANGELOG.md#5617---2025-04-10-critical
https://github.com/craftcms/cms/blob/4.x/CHANGELOG.md#41415---2025-04-10-critical
https://github.com/craftcms/cms/blob/3.x/CHANGELOG.md#3915---2025-04-10-critical