high
8.8
CWE
434
Advisory Published
Updated

CVE-2021-23562: Arbitrary File Upload

First published: Fri Dec 03 2021(Updated: )

This affects the package plupload before 2.3.9. 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.

Credit: report@snyk.io

Affected SoftwareAffected VersionHow to fix
Tiny Plupload<2.3.9

Remedy

https://github.com/moxiecode/plupload/commit/d12175d4b5fa799b994ee1bb17bfbeec55b386fb

Remedy

https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-2306665

Remedy

https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-2306663

Remedy

https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBMOXIECODE-2306664

Remedy

https://snyk.io/vuln/SNYK-JS-PLUPLOAD-1583909

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Reference Links

Frequently Asked Questions

  • What is CVE-2021-23562?

    CVE-2021-23562 is a vulnerability that affects the plupload package versions before 2.3.9.

  • What is the severity of CVE-2021-23562?

    The severity of CVE-2021-23562 is rated as high with a CVSS score of 8.8.

  • How does CVE-2021-23562 impact plupload?

    CVE-2021-23562 allows an attacker to upload and execute JavaScript code by tricking a user into uploading a file with a malicious filename.

  • How can I fix CVE-2021-23562?

    To fix CVE-2021-23562, upgrade your plupload package to version 2.3.9 or newer.

  • Is there any additional information about CVE-2021-23562?

    You can find additional information about CVE-2021-23562 at the following references: [1](https://github.com/moxiecode/plupload/blob/master/js/jquery.plupload.queue/jquery.plupload.queue.js%23L226), [2](https://github.com/moxiecode/plupload/commit/d12175d4b5fa799b994ee1bb17bfbeec55b386fb), [3](https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-2306665).

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