WordPress Core < 5.4.1 - Cross-Site Scripting in the Block Editor

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2020-11030
CVSS Medium (6.4)
Publicly Published April 29, 2020
Last Updated January 22, 2024
Researcher Ben Bidner
Description

In affected versions of WordPress, a special payload can be crafted that can lead to scripts getting executed within the search block of the block editor. This requires an authenticated user with the ability to add content. 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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