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TI-2021-02753 Aliases CVE-2021-3822GHSA-hhfg-6hfc-rvxm

Inefficient Regular Expression Complexity in josdejong/jsoneditor

Priority LOW 36CWE-1333Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-1333.

Summary

jsoneditor is vulnerable to Inefficient Regular Expression Complexity

Why it matters now

EPSS 0.01418 72nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed josdejong/jsoneditor (josdejong): 9.5.6jsoneditor (npm): 9.5.6

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
josdejongjosdejong/jsoneditorbefore 9.5.69.5.6Patch availableCNA
—jsoneditor (npm)before 9.5.69.5.6Patch availableGHSA-hhfg-6hfc-rvxm
  • josdejong/jsoneditor Vendorjosdejong Affected before 9.5.6 Fixed in 9.5.6 Patch available CNA
  • jsoneditor (npm) Vendor— Affected before 9.5.6 Fixed in 9.5.6 Patch available GHSA-hhfg-6hfc-rvxm

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jsoneditoronline:jsoneditor:*:*:*:*:*:*:*:*before 9.5.6VulnerableJsoneditoronline
  • cpe:2.3:a:jsoneditoronline:jsoneditor:*:*:*:*:*:*:*:* Versions before 9.5.6 Vulnerable ·Jsoneditoronline

Remediation

  • Fix · CNA josdejong/jsoneditor (josdejong) Fixed in 9.5.6
  • Fix · GHSA-hhfg-6hfc-rvxm jsoneditor (npm) Fixed in 9.5.6 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-3822
  2. 2026-10-03 Alias added: GHSA-hhfg-6hfc-rvxm

References

  • TI-2020-14690 Stored XSS was discovered in the tree mode of jsoneditor before 9.0.2 through injecting and executing JavaScript. CVSS 3.1MEDIUM 6.1

Sources