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CVE-2019-9842

CVE-2019-9842

EPSS 2.2%
madskristensen MiniBlog through 2018-05-18 allows remote attackers to execute arbitrary ASPX code via an IMG element with a data: URL, because SaveFilesToDisk in app_code/handlers/PostHandler.cs writes a decoded base64 string to a file without validating the extension.
Affected products
n/a · n/a

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References
https://github.com/madskristensen/MiniBlog/blob/1a7ae45ddba484e2c8f808e288e018748c9ddb57/Website/app_code/handlers/PostHandler.cs#L85https://rastating.github.io/miniblog-remote-code-execution/