What’s Vulnerable › Vulnerabilities

CVE-2021-23673: Cross-site Scripting (XSS)

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-11-22 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• pekeupload: all versions

References

• https://github.com/moxiecode/plupload/blob/120cc0b5dd3373d7181fd11b06ac2557c890d3f0/js/jquery.plupload.queue/jquery.plupload.queue.js%23L226
• https://snyk.io/vuln/SNYK-JS-PEKEUPLOAD-1584360
• https://github.com/moxiecode/plupload/blob/120cc0b5dd3373d7181fd11b06ac2557c890d3f0/js/jquery.plupload.queue/jquery.plupload.queue.js%23L226
• https://snyk.io/vuln/SNYK-JS-PEKEUPLOAD-1584360

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