{"containers": {"cna": {"affected": [{"product": "october", "vendor": "octobercms", "versions": [{"status": "affected", "version": "< 1.0.476"}, {"status": "affected", "version": ">= 1.1.0, < 1.1.12"}, {"status": "affected", "version": ">= 2.0.0, < 2.2.15"}]}], "descriptions": [{"lang": "en", "value": "October/System is the system module for October CMS, a self-hosted CMS platform based on the Laravel PHP Framework. Prior to versions 1.0.476, 1.1.12, and 2.2.15, when the developer allows the user to specify their own filename in the `fromData` method, an unauthenticated user can perform remote code execution (RCE) by exploiting a race condition in the temporary storage directory. This vulnerability affects plugins that expose the `October\\Rain\\Database\\Attach\\File::fromData` as a public interface and does not affect vanilla installations of October CMS since this method is not exposed or used by the system internally or externally. 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