# CVE-2026-124697: Progress Telerik Kendo UI for jQuery Chart XSS in shared-tooltip

Source: https://junglewise.ai/threats/cve-2026-124697-in-progress-kendo-ui-for-jquery-chart-shared-tooltip-rendering  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-12. Updated: 2026-11-12  
License: CC BY 4.0 with a link back

CVE-2026-124697 · Severity: high · CVSS 7.1 · Published 2026-11-12

Kendo UI for jQuery is a web component library used to build interactive data visualization and charting tools in web applications. An attacker who can control the category or series-name values displayed in a Chart can inject malicious code that executes when a user hovers over the shared tooltip, potentially stealing session data or performing actions on behalf of the user.

Technologies: [Progress Kendo UI for jQuery](https://junglewise.ai/threats/technologies/kendo-ui-for-jquery). Vendors: [Progress](https://junglewise.ai/threats/vendors/progress).

## Quick answers

**Is CVE-2026-124697 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-124697 being exploited in the wild.

**How severe is CVE-2026-124697?** High severity, with a CVSS score of 7.1, published 12 November 2026.

**Which products and versions are affected?** Progress Kendo UI for jQuery 2016.2.607 through 2026.3.1015.

**Is there a fix for CVE-2026-124697?** Yes: fixed in 2026.4.1111. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-124697 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-124697?** Check whether you run Progress Kendo UI for jQuery at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in 2026.4.1111

## Technical details

The Chart shared-tooltip feature fails to sanitize category and series-name values, rendering them as raw HTML instead of escaped text. This CWE-79 cross-site scripting vulnerability allows an attacker to inject JavaScript that executes in the user's browser context when the tooltip is displayed. No authentication is required; the attack requires user interaction (tooltip display) and the ability to influence chart data values.

## Affected products

- Progress Kendo UI for jQuery 2016.2.607 through 2026.3.1015

## Timeline

- 2026-11-12: disclosed

## References

- [https://www.telerik.com/kendo-jquery-ui/documentation/knowledge-base/kb-security-kendo-chart-shared-tooltip-xss-cve-2026-124697](https://www.telerik.com/kendo-jquery-ui/documentation/knowledge-base/kb-security-kendo-chart-shared-tooltip-xss-cve-2026-124697)

## Related threats

- [Progress Telerik Kendo UI for jQuery Chart XSS in tooltip](https://junglewise.ai/threats/cve-2026-124698-in-progress-kendo-ui-for-jquery-the-chart-default-tooltip)
- [Progress Kendo UI for jQuery Spreadsheet XSS in sheet names](https://junglewise.ai/threats/cve-2026-124696-in-progress-kendo-ui-for-jquery-spreadsheet-sheet-names-are)
- [Progress Telerik Kendo UI jQuery Form cross-site scripting in item hints](https://junglewise.ai/threats/cve-2026-124695-in-progress-kendo-ui-for-jquery-form-the-items-hint-option-is)
- [Progress Telerik Kendo UI for jQuery Gantt cross-site scripting in Parent dropdown](https://junglewise.ai/threats/cve-2026-124691-in-progress-kendo-ui-for-jquery-gantt-the-task-editor-s-parent)
- [Progress Kendo UI for jQuery PropertyGrid XSS in bound values](https://junglewise.ai/threats/cve-2026-124694-in-progress-kendo-ui-for-jquery-versions-2026-3-1015-up-to-but)