UpHeron
All vulnerabilities

WordPress core

CVE-2020-4047

WordPress: Authenticated XSS via media attachment page

Severity
Medium 6.8
Published
12 Jun 2020
Last changed
17 Jun 2026
Added to UpHeron
17 Oct 2026
Fixed in
4.9.15, 5.0.10, 5.1.6, 5.2.7, 5.3.4, 5.4.2
Also known as
GHSA-8q2w-5m27-wm27
Sources
NVD, WordPress

Description

In affected versions of WordPress, authenticated users with upload permissions (like authors) are able to inject JavaScript into some media file attachment pages in a certain way. This can lead to script execution in the context of a higher privileged user when the file is viewed by them. This has been patched in version 5.4.2, along with all the previously affected versions via a minor release…

Affected software

SoftwareAffected versions
WordPressWordPress core · cpe:a:wordpress:wordpress
  • From 5.4 before 5.4.2
  • From 5.3.0 before 5.3.4
  • From 5.2 before 5.2.7
  • From 5.1 before 5.1.6
All 19 release lines
  • From 3.7 before 3.7.34
  • From 3.7 before 5.4.2
  • From 3.8 before 3.8.34
  • From 3.9 before 3.9.32
  • From 4.0 before 4.0.31
  • From 4.1 before 4.1.31
  • From 4.2 before 4.2.28
  • From 4.3 before 4.3.24
  • From 4.4 before 4.4.23
  • From 4.5 before 4.5.22
  • From 4.6 before 4.6.19
  • From 4.7 before 4.7.18
  • From 4.8 before 4.8.14
  • From 4.9 before 4.9.15
  • From 5.0 before 5.0.10
  • From 5.1 before 5.1.6
  • From 5.2 before 5.2.7
  • From 5.3.0 before 5.3.4
  • From 5.4 before 5.4.2

References