CVE-2020-35659

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    CVE-2020-35659

    Published: 24 Dec 2020Last Modified: 27 Aug 2026

    Summary:

    Details: The DNS query log in Pi-hole before 5.2.2 is vulnerable to stored XSS. An attacker with the ability to directly or indirectly query DNS with a malicious hostname can cause arbitrary JavaScript to execute when the Pi-hole administrator visits the Query Log or Long-term data Query Log page.

    References: https://blog.mirch.io/2020/12/24/pihole-xss/, https://discourse.pi-hole.net/t/pi-hole-core-web-v5-2-2-and-ftl-v5-3-3-released/41998, https://github.com/pi-hole/AdminLTE/pull/1665

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -41bdb741b7e1a70184ecd7dbfc23f3ebcaa5e3bc

    Affected versions

    v5.2.1
    v5.2

    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
    CVE-2020-35659 | CVE-DB