{"id":"CVE-2021-44855","details":"An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. There is Blind Stored XSS via a URL to the Upload Image feature.","aliases":["BIT-mediawiki-2021-44855"],"modified":"2026-02-11T13:23:02.373584Z","published":"2022-12-26T05:15:10.740Z","related":["MGASA-2021-0568"],"references":[{"type":"ADVISORY","url":"https://phabricator.wikimedia.org/T293589"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202305-24"},{"type":"REPORT","url":"https://phabricator.wikimedia.org/T293589"},{"type":"EVIDENCE","url":"https://phabricator.wikimedia.org/T293589"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wikimedia/mediawiki","events":[{"introduced":"0"},{"fixed":"8b874ff6c6ed5f209dfd0c825c5b310ef1ecca2f"},{"introduced":"bc542ec6d8573dfb906b468901799e0017875f1e"},{"fixed":"b24aa9d8f87e8762c8dedc2f30f85383b77d4725"}]}],"versions":["1.36.0","1.36.1","1.36.2"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-44855.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"}]}