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

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6.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2020-11030
CVSS 6.4 (Medium)
Publicly Published April 29, 2020
Last Updated August 14, 2023
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).

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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 - 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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