CVE-2021-20866

Advanced Custom Fields versions prior to 5.11 and Advanced Custom Fields Pro versions prior to 5.11 contain a missing authorization vulnerability in obtaining the user list which may allow a user to obtain the unauthorized information via unspecified vectors.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
jpcertCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 59%
VendorProductVersion
advancedcustomfieldsadvanced_custom_fields
𝑥
< 5.11
advancedcustomfieldsadvanced_custom_fields
𝑥
< 5.11
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://jvn.jp/en/jp/JVN09136401/index.html
https://wordpress.org/plugins/advanced-custom-fields/
https://www.advancedcustomfields.com/
https://jvn.jp/en/jp/JVN09136401/index.html
https://wordpress.org/plugins/advanced-custom-fields/
https://www.advancedcustomfields.com/