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    CVE-2020-21345

    Cross Site Scripting (XSS) vulnerability in Halo 1.1.3 via post publish components in the manage panel, which lets a remote malicious user execute arbitrary code.

    Published:May 20, 2021
    Last Modified:Nov 21, 2024
    EPS:May 20, 2021
    EPSS Score:0.00223
    CVSS Score:6.1

    Affected Products

    Vendor
    Halo
    Product
    Halo

    Exploits

    https://github.com/halo-dev/halo/issues/336https://github.com/halo-dev/halo/issues/336

    Related CVEs

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    CVE-2026-16088 (CVSS 2) — A vulnerability was detected in halo-dev halo up to 2.24.2. Affected by this vulnerability is the function Dow…
    CVE-2026-15326 (CVSS 2) — A vulnerability was identified in halo-dev halo up to 2.24.2. This affects the function ThemeUtils.unzipThemeT…
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    CVE-2026-36756 (CVSS 5.4) — A Server-Side Request Forgery (SSRF) in the /plugins/-/install-from-uri endpoint of halo v2.22.14 allows authe…
    CVE-2026-36759 (CVSS 6.5) — A Server-Side Request Forgery (SSRF) in the /themes/{name}/upgrade-from-uri endpoint of halo v2.22.14 allows a…
    CVE-2026-36758 (CVSS 4.3) — A Server-Side Request Forgery (SSRF) in the /themes/-/install-from-uri endpoint of halo v2.22.14 allows authen…
    CVE-2026-36757 (CVSS 4.3) — A Server-Side Request Forgery (SSRF) in the /plugins/{name}/upgrade-from-uri endpoint of halo v2.22.14 allows …

    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