WordPress Core < 5.5.2 - Arbitrary File Deletion

Improper Authorization
CVE CVE-2020-28039
CVSS Medium (5.4)
Publicly Published October 29, 2020
Last Updated January 22, 2024
Researcher Slavco Mihajloski
Description

is_protected_meta in wp-includes/meta.php in WordPress before 5.5.2 allows arbitrary file deletion because it does not properly determine whether a meta key is considered protected.

References

1 affected software package

Software Type Core
Software Slug wordpress (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 3.7
  • 3.7 - 3.7.34
  • 3.8 - 3.8.34
  • 3.9 - 3.9.32
  • 4.0 - 4.0.31
  • 4.1 - 4.1.31
  • 4.2 - 4.2.28
  • 4.3 - 4.3.24
  • 4.4 - 4.4.23
  • 4.5 - 4.5.22
  • 4.6 - 4.6.19
  • 4.7 - 4.7.18
  • 4.8 - 4.8.14
  • 4.9 - 4.9.15
  • 5.0 - 5.0.10
  • 5.1 - 5.1.6
  • 5.2 - 5.2.7
  • 5.3 - 5.3.4
  • 5.4 - 5.4.2
  • 5.5 - 5.5.1
Patched Version
  • 3.7.35
  • 3.8.35
  • 3.9.33
  • 4.0.32
  • 4.1.32
  • 4.2.29
  • 4.3.25
  • 4.4.24
  • 4.5.23
  • 4.6.20
  • 4.7.19
  • 4.8.15
  • 4.9.16
  • 5.0.11
  • 5.1.7
  • 5.2.8
  • 5.3.5
  • 5.4.3
  • 5.5.2
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