{"id":"CVE-2021-29448","aliases":["EUVD-2021-16065","GHSA-cwwf-93p7-73j9"],"status":"published","title":"Stored DOM XSS in Pi-hole Admin Web Interface","description":"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.","severity":{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00692,"percentile":0.53143,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-04-15T15:25:14Z","modified":"2026-10-24T10:50:44Z","products":[{"vendor":"pi-hole","product":"adminlte"},{"vendor":"pi-hole","product":"ftldns"},{"vendor":"pi-hole","product":"pi-hole"},{"vendor":"pi-hole","product":"web_interface"}],"references":[{"url":"https://github.com/pi-hole/AdminLTE/security/advisories/GHSA-cwwf-93p7-73j9","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory","evidence"]}],"sources":{"cve":[{"id":"CVE-2021-29448","title":"Stored DOM XSS in Pi-hole Admin Web Interface","description":"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.","status":"published","published":"2021-04-15T15:25:14Z","modified":"2024-08-03T22:02:51.967Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:06.658806Z"}],"euvd":[{"id":"EUVD-2021-16065","description":"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.","status":"published","published":"2021-04-15T15:25:14Z","modified":"2024-08-03T22:02:51Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H","level":"high"}],"updated_at":"2026-11-03T03:24:45.000012Z"}],"nvd":[{"id":"CVE-2021-29448","description":"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.","status":"published","published":"2021-04-15T16:15:14.033Z","modified":"2026-06-17T03:47:39.75Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:52.03307Z"}],"osv":[{"id":"CVE-2021-29448","description":"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.","status":"published","published":"2021-04-15T16:15:14.033Z","modified":"2026-10-24T10:50:44.798666414Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:19.129331Z"}]}}