{"id":"CVE-2024-2435","aliases":["GHSA-8f25-w7qj-r7hc","GO-2024-2675"],"url":"https://o3.security/vulnerability/CVE-2024-2435","summary":"Stored XSS in Timeline View","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.\nAccess 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).\n","published":"2024-04-02T16:40:24.552Z","modified":"2026-07-15T01:48:49.872428616Z","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/temporalio/ui-server/v2","fixedVersion":"2.25.0"}],"fix":null,"references":[{"type":"WEB","url":"https://hub.docker.com/r/temporalio/ui"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/2xxx/CVE-2024-2435.json"},{"type":"ADVISORY","url":"https://github.com/temporalio/ui-server/releases/tag/v2.25.0"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-2435"},{"type":"PACKAGE","url":"https://github.com/temporalio/ui-server"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T01:48:49.872428616Z"}}