Flowintel Stored XSS in Calendar via Malicious Case Title
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
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. The fix changes: titleEl.innerHTML = arg.event.title to: titleEl.textContent = arg.event.title || '' and similarly stops using innerHTML for the static download icon. Version impacted =>3.3.0
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-81814
- 2026-10-03 Alias added: GHSA-pw4w-qcm7-cgq8
References
More flowintel vulnerabilities
- TI-2026-56455 Flowintel Fails to Invalidate Active Sessions After Password Change CVSS 4.0CRITICAL 9.1
- TI-2026-56320 Flowintel Alert Settings Configuration Allows Remote Code Execution via Arbitrary Configuration Keys CVSS 4.0HIGH 8.6
- TI-2026-56447 Flowintel Organization Administrator Can Reset Full Administrator Password and Escalate Privileges CVSS 4.0HIGH 8.6
- TI-2026-56456 Flowintel Login Email Validation Bypass Allows Log Injection via Crafted Email Input CVSS 4.0MEDIUM 6.9
- TI-2026-56389 Flowintel Arbitrary Log File Path Allows Remote Code Execution via Template Injection CVSS 4.0HIGH 7.5
- TI-2026-56446 Flowintel Missing Task-to-Case Authorization Allows Cross-Case Task Modification CVSS 4.0HIGH 7.2
Sources
- CVE-2026-81814 · CVE Program
- CVE-2026-81814 · NVD
- FIRST EPSS
- GHSA-pw4w-qcm7-cgq8 · GitHub Advisory Database · CC BY 4.0
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