Vulnerability · Published Dec 13, 2021 · Assigned by jpcert
CVE-2021-20866
Medium 6.5
In plain English
A medium-severity security flaw in Advanced Custom Fields and Advanced Custom Fields Pro from Delicious Brains. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 78% of all known vulnerabilities).
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)1.8%top 21.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 obtaining the user list which may allow a user to obtain the unauthorized information via unspecified vectors.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Delicious Brains | Advanced Custom Fields and Advanced Custom Fields Pro | versions prior to 5.11 |
References
- https://www.advancedcustomfields.com/ x_refsource_MISC
- https://wordpress.org/plugins/advanced-custom-fields/ x_refsource_MISC
- https://jvn.jp/en/jp/JVN09136401/index.html x_refsource_MISC