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    CVE-2021-29448

    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.

    Published:Apr 15, 2021
    Last Modified:Nov 21, 2024
    EPS:Apr 15, 2021
    EPSS Score:0.00303
    CVSS Score:7.6

    Affected Products

    Vendor
    Pi-hole
    Product
    Ftldns
    Vendor
    Pi-hole
    Product
    Pi-hole
    Vendor
    Pi-hole
    Product
    Web Interface

    Exploits

    https://github.com/pi-hole/AdminLTE/security/advisories/GHSA-cwwf-93p7-73j9https://github.com/pi-hole/AdminLTE/security/advisories/GHSA-cwwf-93p7-73j9

    Related CVEs

    CVE-2026-39849 (CVSS 8.7) — Pi-hole FTL is the core engine of the Pi-hole network-level advertisement and tracker blocker. In versions bef…
    CVE-2026-35521 (CVSS 8.8) — FTLDNS (pihole-FTL) provides an interactive API and also generates statistics for Pi-hole's Web interface. Fro…
    CVE-2026-35520 (CVSS 8.8) — FTLDNS (pihole-FTL) provides an interactive API and also generates statistics for Pi-hole's Web interface. Fro…
    CVE-2026-35519 (CVSS 8.8) — FTLDNS (pihole-FTL) provides an interactive API and also generates statistics for Pi-hole's Web interface. Fro…
    CVE-2026-35518 (CVSS 8.8) — FTLDNS (pihole-FTL) provides an interactive API and also generates statistics for Pi-hole's Web interface. Fro…
    CVE-2026-35517 (CVSS 8.8) — FTLDNS (pihole-FTL) provides an interactive API and also generates statistics for Pi-hole's Web interface. Fro…
    CVE-2026-35491 (CVSS 6.1) — FTLDNS (pihole-FTL) provides an interactive API and also generates statistics for Pi-hole's Web interface. Fro…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High