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

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2020-11026
CVSS Medium (6.4)
Publicly Published April 29, 2020
Last Updated January 22, 2024
Researcher 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).

References

1 affected software package

Software Type Core
Software Slug wordpress (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 3.7
  • 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
  • 5.0 - 5.0.8
  • 5.1 - 5.1.4
  • 5.2 - 5.2.5
  • 5.3 - 5.3.2
  • 5.4 - 5.4
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
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