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    CVE-2023-49276

    Uptime Kuma is an open source self-hosted monitoring tool. In affected versions the Google Analytics element in vulnerable to Attribute Injection leading to Cross-Site-Scripting (XSS). Since the custom status interface can set an independent Google Analytics ID and the template has not been sanitized, there is an attribute injection vulnerability here, which can lead to XSS attacks. This vulnerability has been addressed in commit `f28dccf4e` which is included in release version 1.23.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.

    Published:Dec 1, 2023
    Last Modified:Nov 21, 2024
    EPS:Dec 1, 2023
    EPSS Score:0.00525
    CVSS Score:6.3

    Affected Products

    Vendor
    Uptime.kuma
    Product
    Uptime Kuma

    Exploits

    https://github.com/louislam/uptime-kuma/security/advisories/GHSA-v4v2-8h88-65qjhttps://github.com/louislam/uptime-kuma/security/advisories/GHSA-v4v2-8h88-65qj

    Related CVEs

    CVE-2026-33130 (CVSS 6.5) — Uptime Kuma is an open source, self-hosted monitoring tool. In versions 1.23.0 through 2.2.0, the fix from GHS…
    CVE-2026-32230 (CVSS 5.3) — Uptime Kuma is an open source, self-hosted monitoring tool. From 2.0.0 to 2.1.3 , the GET /api/badge/:id/ping/…
    CVE-2025-26042 (CVSS 6) — Uptime Kuma >== 1.23.0 has a ReDoS vulnerability, specifically when an administrator creates a notification th…
    CVE-2023-49805 (CVSS 6) — Uptime Kuma is an easy-to-use self-hosted monitoring tool. Prior to version 1.23.9, the application uses WebSo…
    CVE-2023-49804 (CVSS 6.7) — Uptime Kuma is an easy-to-use self-hosted monitoring tool. Prior to version 1.23.9, when a user changes their …
    CVE-2023-44400 (CVSS 6.7) — Uptime Kuma is a self-hosted monitoring tool. Prior to version 1.23.3, attackers with access to a user's devic…

    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