{"id":"CVE-2026-81814","aliases":["EUVD-2026-67014","GHSA-pw4w-qcm7-cgq8"],"status":"published","title":"Flowintel Stored XSS in Calendar via Malicious Case Title","description":"Affected versions of Flowintel render calendar event titles using innerHTML. Because those titles are derived from case titles, a user able to create or modify a case title could store HTML or script-capable content that is later interpreted by the browser when another user views the calendar.\n\n\nThe fix changes:\n\n\ntitleEl.innerHTML = arg.event.title\n\n\nto:\n\n\ntitleEl.textContent = arg.event.title || ''\n\nand similarly stops using innerHTML for the static download icon.\n\nVersion impacted =\u003e3.3.0","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00396,"percentile":0.34316,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-08-27T12:48:39Z","modified":"2026-10-28T02:30:36Z","products":[{"vendor":"flowintel","product":"flowintel"}],"references":[{"url":"https://github.com/flowintel/flowintel/commit/f224438eb495e6b0d4e465eb7f40ab771bbfdb76.patch","tags":["patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-81814","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-pw4w-qcm7-cgq8"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/81xxx/CVE-2026-81814.json","tags":["advisory"]},{"url":"https://github.com/flowintel/flowintel","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-81814","title":"Flowintel Stored XSS in Calendar via Malicious Case Title","description":"Affected versions of Flowintel render calendar event titles using innerHTML. Because those titles are derived from case titles, a user able to create or modify a case title could store HTML or script-capable content that is later interpreted by the browser when another user views the calendar.\n\n\nThe fix changes:\n\n\ntitleEl.innerHTML = arg.event.title\n\n\nto:\n\n\ntitleEl.textContent = arg.event.title || ''\n\nand similarly stops using innerHTML for the static download icon.\n\nVersion impacted =\u003e3.3.0","status":"published","published":"2026-08-27T12:48:39.314Z","modified":"2026-08-27T15:51:29.597Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:36:29.327819Z"}],"euvd":[{"id":"EUVD-2026-67014","description":"Affected versions of Flowintel render calendar event titles using innerHTML. Because those titles are derived from case titles, a user able to create or modify a case title could store HTML or script-capable content that is later interpreted by the browser when another user views the calendar.\n\n\nThe fix changes:\n\n\ntitleEl.innerHTML = arg.event.title\n\n\nto:\n\n\ntitleEl.textContent = arg.event.title || ''\n\nand similarly stops using innerHTML for the static download icon.\n\nVersion impacted =\u003e3.3.0","status":"published","published":"2026-08-27T12:48:39Z","modified":"2026-08-27T15:51:29Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:01:27.663452Z"}],"ghsa":[{"id":"GHSA-pw4w-qcm7-cgq8","title":"Affected versions of Flowintel render calendar event titles using innerHTML. Because those titles...","description":"Affected versions of Flowintel render calendar event titles using innerHTML. Because those titles are derived from case titles, a user able to create or modify a case title could store HTML or script-capable content that is later interpreted by the browser when another user views the calendar.\n\n\nThe fix changes:\n\n\ntitleEl.innerHTML = arg.event.title\n\n\nto:\n\n\ntitleEl.textContent = arg.event.title || ''\n\nand similarly stops using innerHTML for the static download icon.\n\nVersion impacted =\u003e3.3.0","status":"published","published":"2026-08-27T15:31:37Z","modified":"2026-08-27T15:31:44Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:11:03.315113Z"}],"nvd":[{"id":"CVE-2026-81814","description":"Affected versions of Flowintel render calendar event titles using innerHTML. Because those titles are derived from case titles, a user able to create or modify a case title could store HTML or script-capable content that is later interpreted by the browser when another user views the calendar.\n\n\nThe fix changes:\n\n\ntitleEl.innerHTML = arg.event.title\n\n\nto:\n\n\ntitleEl.textContent = arg.event.title || ''\n\nand similarly stops using innerHTML for the static download icon.\n\nVersion impacted =\u003e3.3.0","status":"published","published":"2026-08-27T13:18:43.79Z","modified":"2026-08-28T15:28:32.763Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:42.035353Z"}],"osv":[{"id":"CVE-2026-81814","title":"Flowintel Stored XSS in Calendar via Malicious Case Title","description":"Affected versions of Flowintel render calendar event titles using innerHTML. Because those titles are derived from case titles, a user able to create or modify a case title could store HTML or script-capable content that is later interpreted by the browser when another user views the calendar.\n\n\nThe fix changes:\n\n\ntitleEl.innerHTML = arg.event.title\n\n\nto:\n\n\ntitleEl.textContent = arg.event.title || ''\n\nand similarly stops using innerHTML for the static download icon.\n\nVersion impacted =\u003e3.3.0","status":"published","published":"2026-08-27T12:48:39.314Z","modified":"2026-10-28T02:30:36.091039268Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:45:18.131258Z"}]}}