CVE Vulnerability

CVE-2021-44223

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.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://make.wordpress.org/core/2021/06/29/introducing-update-uri-plugin-header-in-wordpress-5-8/ Release Notes Vendor Advisory
https://vavkamil.cz/2021/11/25/wordpress-plugin-confusion-update-can-get-you-pwned/ Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Information

Published : 2021-11-25 03:15

Updated : 2021-11-30 07:16

NVD link : CVE-2021-44223

Mitre link : CVE-2021-44223

Products Affected
No products.
CWE
NVD-CWE-Other