Arbitrary File Upload Affecting plupload package, versions <2.3.9


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.36% (73rd percentile)

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  • Snyk IDSNYK-JS-PLUPLOAD-1583909
  • published2 Dec 2021
  • disclosed9 Sept 2021
  • creditMichele Di Stefano

Introduced: 9 Sep 2021

CVE-2021-23562  (opens in a new tab)
CWE-434  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade plupload to version 2.3.9 or higher.

Overview

plupload is a Plupload is JavaScript API for building file uploaders. It supports multiple file selection, file filtering, chunked upload, client side image downsizing and when necessary can fallback to alternative runtimes, like Flash and Silverlight.

Affected versions of this package are vulnerable to Arbitrary File Upload. A file name containing JavaScript code could be uploaded and run. An attacker would need to trick a user to upload this kind of file.

CVSS Scores

version 3.1