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Servers and applications · WordPress plugins

CVE-2021-20867

Advanced Custom Field Pro: Missing Authorization

Severity
Medium 6.5
Published
2 Dec 2021
Last changed
17 Jun 2026
Added to UpHeron
17 Oct 2026
Fixed in
5.11, 5.12.1
Also known as
EUVD-2021-8276, WPV-d35dff3c9246, WPV-dabe6084e0cd
Sources
NVD, WPVulnerability

Description

Advanced Custom Fields versions prior to 5.11 and Advanced Custom Fields Pro versions prior to 5.11 contain a missing authorization vulnerability in moving the field group which may allow a user to move the unauthorized field group via unspecified vectors.

Affected software

SoftwareAffected versions
Advanced Custom FieldsServers and applications · cpe:a:advancedcustomfields:advanced_custom_fields
  • Every version before 5.11
Advanced Custom FieldsWordPress plugins · wp-plugin:advanced-custom-fields
  • Every version before 5.12.1
Advanced Custom Fields Pro (WordPress plugin)WordPress plugins · wp-plugin:advanced-custom-fields-pro
  • Every version before 5.12.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-20867
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-20867
  • Patchstack https://patchstack.com/database/wordpress/plugin/advanced-custom-fields-pro/vulnerability/wordpress-advanced-custom-fields-pro-plugin-5-11-missing-authorization-on-option-changes-vulnerability