Toast UI Grid vulnerable to Cross-site scripting
Priority MEDIUM 60CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
Toast UI Grid is a component to display and edit data. Versions prior to 4.21.3 are vulnerable to cross-site scripting attacks when pasting specially crafted content into editable cells. This issue was fixed in version 4.21.3. There are no known workarounds.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00667 52nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed tui.grid (nhn): 4.21.3tui-grid (npm): 4.21.3
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| NHN | tui.grid | 4.21.3 to before 4.21.3 | 4.21.3 | Patch available | CNA |
| — | tui-grid (npm) | before 4.21.3 | 4.21.3 | Patch available | GHSA-9rwj-9j2h-fhvm |
- tui.grid VendorNHN Affected 4.21.3 to before 4.21.3 Fixed in 4.21.3 Patch available CNA
- tui-grid (npm) Vendor— Affected before 4.21.3 Fixed in 4.21.3 Patch available GHSA-9rwj-9j2h-fhvm
Remediation
- Fix · CNA tui.grid (nhn) Fixed in 4.21.3
- Fix · GHSA-9rwj-9j2h-fhvm tui-grid (npm) Fixed in 4.21.3 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2022-23458
- 2026-10-03 Alias added: GHSA-9rwj-9j2h-fhvm
- 2026-10-09 EPSS moved to the 50th–90th percentile
References
Advisory 2
Sources
- CVE-2022-23458 · CVE Program
- CVE-2022-23458 · NVD
- FIRST EPSS
- GHSA-9rwj-9j2h-fhvm · GitHub Advisory Database · CC BY 4.0
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