{"id":"CVE-2026-66418","summary":"OpenClaw Dashboard v3.0.0 Stored XSS via Failed Login Username Field","details":"OpenClaw Dashboard v3.0.0 contains a stored cross-site scripting vulnerability that allows unauthenticated remote attackers to inject arbitrary HTML and script payloads by submitting a crafted username in a failed login POST request, which is recorded verbatim in the audit log. When an administrator opens the notification panel, the unescaped log entry is rendered via innerHTML with a permissive Content-Security-Policy allowing inline event handlers, enabling the attacker-supplied payload to execute in the administrator's session and interact with authenticated endpoints including agent instruction file editing and configuration changes.","modified":"2026-09-05T03:48:03.596222924Z","published":"2026-07-30T20:55:24.766Z","database_specific":{"cwe_ids":["CWE-79"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/66xxx/CVE-2026-66418.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/66xxx/CVE-2026-66418.json"},{"type":"ADVISORY","url":"https://github.com/theopaid/Unauthenticated-Stored-Cross-Site-Scripting-Leading-To-Administrator-Account-Takeover"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66418"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/openclaw-dashboard-stored-xss-via-failed-login-username-field"},{"type":"PACKAGE","url":"https://github.com/tugcantopaloglu/openclaw-dashboard"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/tugcantopaloglu/openclaw-dashboard","events":[{"introduced":"b08c0b7cd4f6172c5824dff4e643b0b7950ca603"},{"last_affected":"b08c0b7cd4f6172c5824dff4e643b0b7950ca603"}],"database_specific":{"source":["AFFECTED_FIELD","CPE_RANGE"],"cpe":"cpe:2.3:a:tugcantopaloglu:openclaw_agent_dashboard:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"3.0.0"},{"last_affected":"3.0.0"},{"introduced":"0"}]}}],"versions":["3.0.0","v3.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-66418.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N"}]}