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Stored cross-site scripting in Sisense BloX widgets

Priority LOW 36CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Sisense Cloud BI Platform from L2025.4 before * contains stored cross-site scripting (CWE-79) in BloX widgets. HTML or JavaScript inserted into BloX widget fields such as desc and text is stored and rendered without neutralization. An authenticated user with the Designer or Administrator role can run JavaScript in the browser of another user who opens the affected dashboard.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

Stored Cross-Site Scripting (XSS) in Sisense BloX widgets, in all versions, both on Sisense Cloud and in self-hosted deployments, allows an authenticated user with the Designer or Administrator role to execute JavaScript code in the browser of another user who opens the dashboard, via HTML or JavaScript code inserted into BloX widget fields, such as ‘desc’ and ‘text’.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00284 21st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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

VendorProductAffected versionsFixed inStatusSource
SisenseCloud BI PlatformL2025.4 and later—No fix listedCNA
  • Cloud BI Platform VendorSisense Affected L2025.4 and later Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Sisense Cloud BI Platform.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Timeline

  1. 2026-10-27 Threatist record created from CVE-2026-117493
  2. 2026-10-27 Alias added: GHSA-vjwh-8w5h-gwj6
  3. 2026-10-27 Priority changed: MEDIUM → LOW
  4. 2026-11-04 CISA SSVC decision points changed
  5. 2026-11-06 Affected versions changed · CNA

References

  • TI-2026-81047 Cross-site scripting in Sisense Cloud BI Platform via SVG images CVSS 4.0HIGH 8.3

Sources