{"id":"CVE-2021-29448","details":"Pi-hole is a Linux network-level advertisement and Internet tracker blocking application. The Stored XSS exists in the Pi-hole Admin portal, which can be exploited by the malicious actor with the network access to DNS server. See the referenced GitHub security advisory for patch details.","aliases":["GHSA-cwwf-93p7-73j9"],"modified":"2026-07-09T10:01:37.921727Z","published":"2021-04-15T16:15:14.033Z","references":[{"type":"EVIDENCE","url":"https://github.com/pi-hole/AdminLTE/security/advisories/GHSA-cwwf-93p7-73j9"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/pi-hole/ftl","events":[{"introduced":"2999e2b57c62b4455187ee9b77840d49df0a8e2e"},{"last_affected":"2999e2b57c62b4455187ee9b77840d49df0a8e2e"}],"database_specific":{"source":"CPE_STRING","extracted_events":[{"introduced":"5.7"},{"last_affected":"5.7"}],"cpe":"cpe:2.3:a:pi-hole:ftldns:5.7:*:*:*:*:*:*:*"}}],"versions":["5.7","v5.7"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-29448.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/pi-hole/pi-hole","events":[{"introduced":"cbfb58f7a283c2a3e7aad95a834a0287175ccb24"},{"last_affected":"cbfb58f7a283c2a3e7aad95a834a0287175ccb24"}],"database_specific":{"source":"CPE_STRING","extracted_events":[{"introduced":"5.2.4"},{"last_affected":"5.2.4"}],"cpe":"cpe:2.3:a:pi-hole:pi-hole:5.2.4:*:*:*:*:*:*:*"}}],"versions":["5.2.4","v5.2.4"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-29448.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/pi-hole/web","events":[{"introduced":"0"},{"fixed":"7e602e0df4c28e093afeedee27a205209f1f5104"}],"database_specific":{"source":"CPE_RANGE","extracted_events":[{"introduced":"0"},{"fixed":"5.5"}],"cpe":"cpe:2.3:a:pi-hole:web_interface:*:*:*:*:*:*:*:*"}}],"versions":["v5.4","v5.3.2","v5.3.1","v5.3","v5.2.2","v5.2.1","v5.2","v5.1.1","v5.1","v5.0","v4.3.3","v4.3.2","v4.3","v4.2","v4.1.1","v4.1","v4.0","v3.3","v3.2.1","v3.2","v3.1","v3.0.1a","v3.0.1","v3.0","v2.5.2","v2.5.1","v2.5","v2.4","v2.3.1","v2.3","v2.2","v2.1","v2.0","v1.4.4.2","v1.4.4.1","v1.4.4","v1.4.3.1a","v1.4.3.1","v1.4.3","v1.4.2","v1.4.1","v1.4","v1.3","v1.2","v1.1.7","v1.1.6","v1.1.5","v1.1.4","v1.1.3","v1.1.2","v1.1.1","v1.1.0","v1.0.0","v2.2.0","v2.1.2","2.1.1","2.1.0","v2.1.0-beta","v2.1.0-alpha-1","v2.0.5","v2.0.3","v2.0.2","v2.0.1","v2.0.0","2.0.0","1.2.1","1.2","1.1","1.0","0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-29448.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:H"}]}