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CVE-2020-11026

MEDIUM 5.4 CVSS 3.1
Published
April 30, 2020
Last modified
June 17, 2026
NVD status
Modified
Reported by
security-advisories@github.com
Weakness
CWE-707, CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Description

In affected versions of WordPress, files with a specially crafted name when uploaded to the Media section can lead to script execution upon accessing the file. This requires an authenticated user with privileges to upload files. This has been patched in version 5.4.1, along with all the previously affected versions via a minor release (5.3.3, 5.2.6, 5.1.5, 5.0.9, 4.9.14, 4.8.13, 4.7.17, 4.6.18, 4.5.21, 4.4.22, 4.3.23, 4.2.27, 4.1.30, 4.0.30, 3.9.31, 3.8.33, 3.7.33).

Affected WordPress components

  • WordPress core
    Confirmed match
    From 3.7 (including) to 3.7.33 (excluding); From 3.8 (including) to 3.8.33 (excluding); From 3.9 (including) to 3.9.31 (excluding); From 4.0 (including) to 4.0.30 (excluding); From 4.1 (including) to 4.1.30 (excluding); From 4.2 (including) to 4.2.27 (excluding); From 4.3 (including) to 4.3.23 (excluding); From 4.4 (including) to 4.4.22 (excluding); From 4.5 (including) to 4.5.21 (excluding); From 4.6 (including) to 4.6.18 (excluding); From 4.7 (including) to 4.7.17 (excluding); From 4.8 (including) to 4.8.13 (excluding); From 4.9 (including) to 4.9.14 (excluding); From 5.0 (including) to 5.0.9 (excluding); From 5.1 (including) to 5.1.5 (excluding); From 5.2 (including) to 5.2.6 (excluding); From 5.3 (including) to 5.3.3 (excluding); Version 5.4
  • wordpress Plugin · wordpress
    Possible match Homeless
    Version >= 5.4.0, < 5.4.1; Version >= 5.3.0, < 5.3.3; Version >= 5.2.0, < 5.2.6; Version >= 5.1.0, < 5.1.5; Version >= 5.0.0, < 5.0.9; Version >= 4.9.0, < 4.9.14; Version >= 4.8.0, < 4.8.13; Version >= 4.7.0, < 4.7.17; Version >= 4.6.0, < 4.6.18; Version >= 4.5.0, < 4.5.21; Version >= 4.4.0, < 4.4.22; Version >= 4.3.0, < 4.3.23; Version >= 4.2.0, < 4.2.27; Version >= 4.1.0, < 4.1.30; Version >= 4.0.0, < 4.0.30; Version >= 3.9.0, < 3.9.31; Version >= 3.8.0, < 3.8.33; Version >= 3.7.0, < 3.7.33
    View on WordPress.org
  • wordpress Theme · wordpress
    Possible match Homeless
    Version >= 5.4.0, < 5.4.1; Version >= 5.3.0, < 5.3.3; Version >= 5.2.0, < 5.2.6; Version >= 5.1.0, < 5.1.5; Version >= 5.0.0, < 5.0.9; Version >= 4.9.0, < 4.9.14; Version >= 4.8.0, < 4.8.13; Version >= 4.7.0, < 4.7.17; Version >= 4.6.0, < 4.6.18; Version >= 4.5.0, < 4.5.21; Version >= 4.4.0, < 4.4.22; Version >= 4.3.0, < 4.3.23; Version >= 4.2.0, < 4.2.27; Version >= 4.1.0, < 4.1.30; Version >= 4.0.0, < 4.0.30; Version >= 3.9.0, < 3.9.31; Version >= 3.8.0, < 3.8.33; Version >= 3.7.0, < 3.7.33
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • WordPress WordPress — Version >= 5.4.0, < 5.4.1
  • WordPress WordPress — Version >= 5.3.0, < 5.3.3
  • WordPress WordPress — Version >= 5.2.0, < 5.2.6
  • WordPress WordPress — Version >= 5.1.0, < 5.1.5
  • WordPress WordPress — Version >= 5.0.0, < 5.0.9
  • WordPress WordPress — Version >= 4.9.0, < 4.9.14
  • WordPress WordPress — Version >= 4.8.0, < 4.8.13
  • WordPress WordPress — Version >= 4.7.0, < 4.7.17
  • WordPress WordPress — Version >= 4.6.0, < 4.6.18
  • WordPress WordPress — Version >= 4.5.0, < 4.5.21
  • WordPress WordPress — Version >= 4.4.0, < 4.4.22
  • WordPress WordPress — Version >= 4.3.0, < 4.3.23
  • WordPress WordPress — Version >= 4.2.0, < 4.2.27
  • WordPress WordPress — Version >= 4.1.0, < 4.1.30
  • WordPress WordPress — Version >= 4.0.0, < 4.0.30
  • WordPress WordPress — Version >= 3.9.0, < 3.9.31
  • WordPress WordPress — Version >= 3.8.0, < 3.8.33
  • WordPress WordPress — Version >= 3.7.0, < 3.7.33
  • wordpress wordpress — From 3.7 (including) to 3.7.33 (excluding)
  • wordpress wordpress — From 3.8 (including) to 3.8.33 (excluding)
  • wordpress wordpress — From 3.9 (including) to 3.9.31 (excluding)
  • wordpress wordpress — From 4.0 (including) to 4.0.30 (excluding)
  • wordpress wordpress — From 4.1 (including) to 4.1.30 (excluding)
  • wordpress wordpress — From 4.2 (including) to 4.2.27 (excluding)
  • wordpress wordpress — From 4.3 (including) to 4.3.23 (excluding)
  • wordpress wordpress — From 4.4 (including) to 4.4.22 (excluding)
  • wordpress wordpress — From 4.5 (including) to 4.5.21 (excluding)
  • wordpress wordpress — From 4.6 (including) to 4.6.18 (excluding)
  • wordpress wordpress — From 4.7 (including) to 4.7.17 (excluding)
  • wordpress wordpress — From 4.8 (including) to 4.8.13 (excluding)
  • wordpress wordpress — From 4.9 (including) to 4.9.14 (excluding)
  • wordpress wordpress — From 5.0 (including) to 5.0.9 (excluding)
  • wordpress wordpress — From 5.1 (including) to 5.1.5 (excluding)
  • wordpress wordpress — From 5.2 (including) to 5.2.6 (excluding)
  • wordpress wordpress — From 5.3 (including) to 5.3.3 (excluding)
  • wordpress wordpress — Version 5.4

References

  • github.com https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-3gw2-4656-pfr2 Third Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2020/05/msg00011.html Mailing List, Third Party Advisory
  • wordpress.org https://wordpress.org/support/wordpress-version/version-5-4-1/#security-updates Release Notes, Vendor Advisory
  • www.debian.org https://www.debian.org/security/2020/dsa-4677 Third Party Advisory
  • nvd.nist.gov Official NVD record