CVE-2022-23458

Toast UI Grid vulnerable to Cross-site scripting

MEDIUM
6.1
CVSS Score
Published: September 22, 2022 at 10:05 PM UTC
Updated: June 17, 2026 at 04:30 AM UTC
1 product affected across 1 vendorToast UI Grid

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.7%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 4.21.3
Affected range stops below 4.21.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUMGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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