# CVE-2026-124690: Cross-Site Scripting During Kendo UI for jQuery Custom SVG Icon Sanitization

Status: published. Published: 2026-11-11. Updated: 2026-11-11.

In Progress Kendo UI for jQuery, sanitizeSvgContent() parses custom icon markup into a live DOM before filtering it. An attacker who can influence custom icon content can cause JavaScript to execute during icon creation, before an unsafe element is removed. The issue was reported in version 2026.3.1015; the first affected release has not been established. The issue is fixed in version 2026.4.1110.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Progress Software / Kendo UI for jQuery: ≥ 2026.3.1015; < 2026.4.1110 (affected, custom); 2026.4.1110 (unaffected). Source: CNA: ProgressSoftware

## Severity and prioritization

- CVSS 3.1: 7.1 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L; source: CNA: ProgressSoftware

- CVSS 3.1: 7.1 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L; source: NVD: security@progress.com

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-79

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.telerik.com/kendo-jquery-ui/documentation/knowledge-base/kb-security-kendo-svg-icon-sanitizer-xss-cve-2026-124690 (CNA: ProgressSoftware; vendor-advisory)

- https://www.telerik.com/kendo-jquery-ui/documentation/knowledge-base/kb-security-kendo-svg-icon-sanitizer-xss-cve-2026-124690 (security@progress.com)

## Provenance

- CNA: ProgressSoftware: https://www.cve.org/CVERecord?id=CVE-2026-124690; retrieved 2026-11-11; source updated 2026-11-11

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-124690; retrieved 2026-11-11; source updated 2026-11-11

Revision: c3ddc5446d000c2aa67cdb87e20a7cca06b9582407b0eaed0c7424a3807eddb1

Canonical: https://y2.dev/cve/CVE-2026-124690

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.