JavaScript Code Injection through kendo.init() in Kendo UI for jQuery

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-124686
StatePUBLISHED
AssignerProgressSoftware
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-11 16:17:25 UTC
Updated2026-11-11 16:17:25 UTC
DescriptionIn Progress® Kendo® UI for jQuery versions prior to 2026.4.1111, kendo.init() compiles data-* attribute values with new Function when an invalid JSON object is supplied. An attacker with low privileges who can control these attribute values can inject JavaScript that executes during declarative widget initialization when a user loads or interacts with an affected page. Successful exploitation can compromise the confidentiality and integrity of data accessible in the user's browser context. The issue was reported in version 2022.3.1109; the first affected release has not been established.

Risk And Classification

Primary CVSS: v3.1 5.4 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Problem Types: CWE-95 | CWE-95 CWE-95 Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
3.1CNACVSS5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Progress Software Kendo UI For JQuery affected 2022.3.1109 2026.4.1111 custom Not specified
CNA Progress Software Kendo UI For JQuery unaffected 2026.4.1111 Not specified

References

ReferenceSourceLinkTags
www.telerik.com/kendo-jquery-ui/documentation/knowledge-base/kb-security-kend... [email protected] www.telerik.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Abhishek Nandkumar Bhaskar (Abhi-Hackz) (en)

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