High severity8.6GHSA Advisory· Published Sep 1, 2021· Updated Jun 17, 2026
CVE-2021-23428
CVE-2021-23428
Description
This affects all versions of package elFinder.NetCore. The Path.Combine(...) method is used to create an absolute file path. Due to missing sanitation of the user input and a missing check of the generated path its possible to escape the Files directory via path traversal
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
elFinder.NetCoreNuGet | <= 1.3.5 | — |
Affected products
3- Range: <= 1.3.5
- cpe:2.3:a:elfinder.netcore_project:elfinder.netcore:*:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-9rjp-r58j-fxgqghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-23428ghsaADVISORY
- snyk.io/vuln/SNYK-DOTNET-ELFINDERNETCORE-1313838nvdThird Party AdvisoryWEB
- github.com/gordon-matt/elFinder.NetCore/blob/633da9a4d7d5c9baefd1730ee51bf7af54889600/elFinder.NetCore/Drivers/FileSystem/FileSystemDriver.csghsaWEB
- github.com/gordon-matt/elFinder.NetCore/blob/633da9a4d7d5c9baefd1730ee51bf7af54889600/elFinder.NetCore/Drivers/FileSystem/FileSystemDriver.cs%23L387nvdBroken LinkWEB
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