Grav 2.0.15 before 2.2.2 Arbitrary Static Method Call via Flex Form replace-name@
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Grav from 2.0.15 before 2.2.2 contains an allowlist bypass vulnerability that allows page editors to call arbitrary public static methods by renaming Flex form fields with replace-name@. Attackers with page-edit permission can smuggle data-*@ directives past the callable check to invoke Folder::delete, Folder::move, or Utils::download, deleting directories, overwriting files, or reading files.
No remediation guidance has been written for this CVE yet. What the record does show:
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