CVE-2021-23673

Name: CVE-2021-23673
Creator: NVD / NIST
Published: 2021-11-22T17:15:08.433+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.81%

Last modified Jun 17, 2026

CVE-2021-23673 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. This affects all versions of package pekeupload. If an attacker induces a user to upload a file whose name contains javascript code, the javascript code will be executed.. EPSS estimates a 0.81% chance of exploitation in the next 30 days.

Description

This affects all versions of package pekeupload. If an attacker induces a user to upload a file whose name contains javascript code, the javascript code will be executed.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.81%

52.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Pekeupload Project	Pekeupload	All versions

References

https://github.com/moxiecode/plupload/blob/120cc0b5dd3373d7181fd11b06ac2557c890d3f0/js/jquery.plupload.queue/jquery.plupload.queue.js%23L226Broken Link, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-PEKEUPLOAD-1584360Exploit, Third Party Advisory
https://github.com/moxiecode/plupload/blob/120cc0b5dd3373d7181fd11b06ac2557c890d3f0/js/jquery.plupload.queue/jquery.plupload.queue.js%23L226Broken Link, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-PEKEUPLOAD-1584360Exploit, Third Party Advisory

Timeline

Published: Nov 22, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-23673?

This affects all versions of package pekeupload. If an attacker induces a user to upload a file whose name contains javascript code, the javascript code will be executed.

How severe is CVE-2021-23673?

CVE-2021-23673 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.81% probability of exploitation in the next 30 days.

How do I fix CVE-2021-23673?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-23673?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST