WordPress Core < 5.4.1 - Authenticated (Author+) Cross-Site Scripting via File Uploads

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6.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2020-11026
CVSS 6.4 (Medium)
Publicly Published April 29, 2020
Last Updated January 22, 2024
Researchers Ronnie Goodrich (Kahoots)
Jason Medeiros

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).

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1 affected software package

WordPress

Software Type Core
Patched? Yes
Remediation Update to one of the following versions, or a newer patched version: 3.7.33, 3.8.33, 3.9.31, 4.0.30, 4.1.30, 4.2.27, 4.3.23, 4.4.22, 4.5.21, 4.6.18, 4.7.17, 4.8.13, 4.9.14, 5.0.9, 5.1.5, 5.2.6, 5.3.3, 5.4.1
Affected Versions
  • 5.4
  • < 3.7
  • 5.0 - 5.0.8
  • 5.1 - 5.1.4
Expand to see 15 more affected version ranges.
  • 5.2 - 5.2.5
  • 5.3 - 5.3.2
  • 3.7 - 3.7.32
  • 3.8 - 3.8.32
  • 3.9 - 3.9.30
  • 4.0 - 4.0.29
  • 4.1 - 4.1.29
  • 4.2 - 4.2.26
  • 4.3 - 4.3.22
  • 4.4 - 4.4.21
  • 4.5 - 4.5.20
  • 4.6 - 4.6.17
  • 4.7 - 4.7.16
  • 4.8 - 4.8.12
  • 4.9 - 4.9.13
Patched Versions
  • 3.7.33
  • 3.8.33
  • 3.9.31
  • 4.0.30
Expand to see 14 more patched versions.
  • 4.1.30
  • 4.2.27
  • 4.3.23
  • 4.4.22
  • 4.5.21
  • 4.6.18
  • 4.7.17
  • 4.8.13
  • 4.9.14
  • 5.0.9
  • 5.1.5
  • 5.2.6
  • 5.3.3
  • 5.4.1

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