Executive Summary

Name CVE-2021-44223 First vendor Publication 2021-11-25
Vendor Cve Last vendor Modification 2021-11-30

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores


WordPress before 5.8 lacks support for the Update URI plugin header. This makes it easier for remote attackers to execute arbitrary code via a supply-chain attack against WordPress installations that use any plugin for which the slug satisfies the naming constraints of the WordPress.org Plugin Directory but is not yet present in that directory.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44223

CPE : Common Platform Enumeration

Application 695

Sources (Detail)

Source Url
MISC https://make.wordpress.org/core/2021/06/29/introducing-update-uri-plugin-head...

Alert History

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Date Informations
2023-03-02 02:08:57
  • Multiple Updates
2022-10-11 13:10:25
  • Multiple Updates
2022-10-11 01:23:42
  • Multiple Updates
2021-11-30 12:52:46
  • Multiple Updates
2021-11-26 21:22:54
  • Multiple Updates
2021-11-25 21:22:56
  • First insertion