GHSA-8f25-w7qj-r7hc

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    GHSA-8f25-w7qj-r7hc

    Published: 2 Apr 2024Last Modified: 10 Sept 2026

    Summary: Temporal UI Server cross-site scripting vulnerability

    Details: For an attacker with pre-existing access to send a signal to a workflow, the attacker can make the signal name a script that executes when a victim views that signal. The XSS is in the timeline page displaying the workflow execution details of the workflow that was sent the crafted signal. Access to send a signal to a workflow is determined by how you configured the authorizer on your server. This includes any entity with permission to directly call SignalWorkflowExecution or SignalWithStartWorkflowExecution, or any entity can deploy a worker that has access to call workflow progress APIs (specifically RespondWorkflowTaskCompleted).

    References: https://nvd.nist.gov/vuln/detail/CVE-2024-2435, https://github.com/temporalio/ui-server, https://github.com/temporalio/ui-server/releases/tag/v2.25.0

    Affected packages

    Package

    Name: github.com/temporalio/ui-server/v2

    Purl: pkg:golang/github.com/temporalio/ui-server/v2

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -2.25.0

    Affected versions

    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
    GHSA-8f25-w7qj-r7hc | CVE-DB