Published: 25/11/2021 Updated: 30/11/2021

CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10

CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9

VMScore: 668

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

WordPress prior to 5.8 lacks support for the Update URI plugin header. This makes it easier for remote malicious users 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.

Vulnerable Product	Search on Vulmon	Subscribe to Product
wordpress wordpress

WordPress Plugin Update Confusion

WordPress Plugin Update Confusion Simple tool to detect websites vulnerable to a novel supply chain attack targeting unclaimed WordPress plugins Update: the scanner is no longer working, as WordPressorg is now returning fake data from the API endpoint used to verify the number of active installations - twittercom/vavkamil/status/1468221819098484741 Read more: Please

NVD-CWE-Other https://make.wordpress.org/core/2021/06/29/introducing-update-uri-plugin-header-in-wordpress-5-8/https://vavkamil.cz/2021/11/25/wordpress-plugin-confusion-update-can-get-you-pwned/https://nvd.nist.gov https://github.com/vavkamil/wp-update-confusion

Get Started

Vulmon Search is a vulnerability search engine. It gives comprehensive vulnerability information through a very simple user interface.

Home Recent Vulnerabilities Research Posts Trends Blog About Contact

Vulmon Search Vulmon Research Vulmon Alerts Vulmap

Twitter Reddit Linkedin Facebook

CVE-2021-44223

Vulnerability Summary

Vulnerability Trend

Github Repositories

References

Vulmon Search

About

Products

Connect