CVE catalog

CVE-2021-23562

UBUNTU-

[CVE catalog]

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.

Severity
Unknown
Published
Updated
Source
[NVD] · [CVE record]
EPSS
1.03% · Oct 27, 2026

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Distribution / releasePackageVersionStatusSource
Ubuntu18.04plupload.js2.1.9~dfsg1-1Affected[UBUNTU-CVE-2021-23562]
Ubuntu18.04plupload.js2.1.9~dfsg1-2Affected[UBUNTU-CVE-2021-23562]
Ubuntu16.04plupload.js2.1.8~dfsg1-1Affected[UBUNTU-CVE-2021-23562]
Provider details and historical evidence
Distribution / releasePackageVersionStatusSource
Ubuntu16.04plupload.js2.1.8~dfsg1-1Affected[UBUNTU-CVE-2021-23562]
Ubuntu18.04plupload.js2.1.9~dfsg1-1Affected[UBUNTU-CVE-2021-23562]
Ubuntu18.04plupload.js2.1.9~dfsg1-2Affected[UBUNTU-CVE-2021-23562]
Original provider fields
{
  "package_releases": [],
  "fixed_versions": [],
  "distribution_packages": [
    {
      "name": "plupload.js",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "16.04",
      "versions": [
        "2.1.8~dfsg1-1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2021-23562",
      "fixed_version": "",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2021-23562",
      "provider_updated_at": "2025-10-24T04:50:09Z"
    },
    {
      "name": "plupload.js",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "18.04",
      "versions": [
        "2.1.9~dfsg1-1",
        "2.1.9~dfsg1-2"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2021-23562",
      "fixed_version": "",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2021-23562",
      "provider_updated_at": "2025-10-24T04:50:09Z"
    }
  ]
}

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

Observed:

References

[FIRST EPSS] · [OSV Package Vulnerability Database]