{"id":"BIT-wordpress-multisite-2021-44223","details":"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.","aliases":["BIT-wordpress-2021-44223","CVE-2021-44223"],"modified":"2025-04-03T14:40:37.652Z","published":"2024-03-06T11:10:10.499Z","database_specific":{"severity":"Critical","cpes":["cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*"]},"references":[{"type":"WEB","url":"https://make.wordpress.org/core/2021/06/29/introducing-update-uri-plugin-header-in-wordpress-5-8/"},{"type":"WEB","url":"https://vavkamil.cz/2021/11/25/wordpress-plugin-confusion-update-can-get-you-pwned/"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44223"}],"affected":[{"package":{"name":"wordpress-multisite","ecosystem":"Bitnami","purl":"pkg:bitnami/wordpress-multisite"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"5.8.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/wordpress-multisite/BIT-wordpress-multisite-2021-44223.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}],"schema_version":"1.7.3"}