Vulnerability Details CVE-2019-9845
madskristensen Miniblog.Core through 2019-01-16 allows remote attackers to execute arbitrary ASPX code via an IMG element with a data: URL, because SaveFilesToDisk in Controllers/BlogController.cs writes a decoded base64 string to a file without validating the extension.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.009
EPSS Ranking 74.2%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
References
- https://github.com/madskristensen/Miniblog.Core/blob/master/src/Controllers/BlogController.cs#L142
- https://rastating.github.io/miniblog-remote-code-execution/
- https://github.com/madskristensen/Miniblog.Core/blob/master/src/Controllers/BlogController.cs#L142
- https://rastating.github.io/miniblog-remote-code-execution/
Products affected by CVE-2019-9845
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cpe:2.3:a:miniblog.core_project:miniblog.core:1.0
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cpe:2.3:a:miniblog.core_project:miniblog.core:2018-08-21
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cpe:2.3:a:miniblog.core_project:miniblog.core:2018-08-30
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cpe:2.3:a:miniblog.core_project:miniblog.core:2018-09-10
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cpe:2.3:a:miniblog.core_project:miniblog.core:2018-10-01
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cpe:2.3:a:miniblog.core_project:miniblog.core:2019-01-16