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TI-2024-37317 Aliases CVE-2024-56357

Cross-site Scripting vulnerability through custom widget URLs and form redirect URLs in grist-core

Priority LOW 37CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

grist-core is a spreadsheet hosting server. A user visiting a malicious document or submitting a malicious form could have their account compromised, because it was possible to use the `javascript:` scheme with custom widget URLs and form redirect URLs. This issue has been patched in version 1.3.1. Users are advised to upgrade. Users unable to upgrade should avoid visiting documents or forms prepared by people they do not trust.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00314 24th percentileScored 2026-11-07
Fix Fixed grist-core (gristlabs): 1.3.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
gristlabsgrist-corebefore 1.3.11.3.1Patch availableCNA
  • grist-core Vendorgristlabs Affected before 1.3.1 Fixed in 1.3.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:getgrist:grist-core:*:*:*:*:*:*:*:*before 1.3.1Vulnerablegristlabs
  • cpe:2.3:a:getgrist:grist-core:*:*:*:*:*:*:*:* Versions before 1.3.1 Vulnerable ·gristlabs

Remediation

  • Fix · CNA grist-core (gristlabs) Fixed in 1.3.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-56357

References

Patch 1

Advisory 1

  • TI-2026-19341 pyodide sandbox option is insecure CVSS 3.1CRITICAL 9.6
  • TI-2024-37319 Cross-site Scripting vulnerability through HyperLink cells in grist-core CVSS 3.1HIGH 8.1
  • TI-2024-37318 Cross-site Scripting vulnerability through svg attachment previews in grist-core CVSS 3.1HIGH 8.1
  • TI-2025-40090 grist-core has path to server-side requests via websocket CVSS 3.1MEDIUM 6.8
  • TI-2025-40091 grist-core has insufficient access control in endpoints for comparisons between documents and versions CVSS 3.1MEDIUM 6.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences