{"cve":"CVE-2021-29448","nvd":{"published":"2021-04-15T16:15:14.033","modified":"2026-06-17T03:47:39.750","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:H","score":8.8},"cwes":["CWE-79"],"references":["https://github.com/pi-hole/AdminLTE/security/advisories/GHSA-cwwf-93p7-73j9","https://github.com/pi-hole/AdminLTE/security/advisories/GHSA-cwwf-93p7-73j9"],"products":["pi-hole:ftldns","pi-hole:pi-hole","pi-hole:web_interface"],"source":"nvd","synced_at":"2026-10-19T21:17:01.373894544+00:00"},"epss":{"cve":"CVE-2021-29448","score":0.00668,"percentile":0.51911,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}