{"id":"UBUNTU-CVE-2021-41801","details":"The ReplaceText extension through 1.41 for MediaWiki has Incorrect Access Control. When a user is blocked after submitting a replace job, the job is still run, even if it may be run at a later time (due to the job queue backlog)","modified":"2026-01-20T18:14:58.739766Z","published":"2021-10-11T08:15:00Z","upstream":["CVE-2021-41801"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-41801"},{"type":"REPORT","url":"https://lists.wikimedia.org/hyperkitty/list/wikitech-l@lists.wikimedia.org/thread/2IFS5CM2YV4VMSODPX3J2LFHKSEWVFV5/"},{"type":"REPORT","url":"https://phabricator.wikimedia.org/T279090"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-41801"}],"affected":[{"package":{"name":"mediawiki","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/mediawiki@1:1.27.4-3?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.27.3-1","1:1.27.4-1","1:1.27.4-2","1:1.27.4-3"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.27.4-3","binary_name":"mediawiki"},{"binary_version":"1:1.27.4-3","binary_name":"mediawiki-classes"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-41801.json"}},{"package":{"name":"mediawiki","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/mediawiki@1:1.31.7-1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.31.2-1ubuntu1","1:1.31.5-1","1:1.31.5-1ubuntu1","1:1.31.5-2","1:1.31.5-3","1:1.31.5-3ubuntu1","1:1.31.6-1","1:1.31.7-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.31.7-1","binary_name":"mediawiki"},{"binary_version":"1:1.31.7-1","binary_name":"mediawiki-classes"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-41801.json"}},{"package":{"name":"mediawiki","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/mediawiki@1:1.35.6-1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.35.3-1","1:1.35.4-1","1:1.35.5-1","1:1.35.5-1ubuntu1","1:1.35.5-1ubuntu2","1:1.35.5-1ubuntu3","1:1.35.6-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.35.6-1","binary_name":"mediawiki"},{"binary_version":"1:1.35.6-1","binary_name":"mediawiki-classes"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-41801.json"}},{"package":{"name":"mediawiki","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/mediawiki@1:1.39.7-1?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.39.4-2","1:1.39.5-1","1:1.39.6-1","1:1.39.7-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.39.7-1","binary_name":"mediawiki"},{"binary_version":"1:1.39.7-1","binary_name":"mediawiki-classes"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-41801.json"}},{"package":{"name":"mediawiki","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/mediawiki@1:1.43.3+dfsg-1?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.43.1+dfsg-1","1:1.43.1+dfsg-2","1:1.43.3+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.43.3+dfsg-1","binary_name":"mediawiki"},{"binary_version":"1:1.43.3+dfsg-1","binary_name":"mediawiki-classes"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-41801.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}