{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-124688", "assignerOrgId": "f9fea0b6-671e-4eea-8fde-31911902ae05", "state": "PUBLISHED", "assignerShortName": "ProgressSoftware", "dateReserved": "2026-11-09T10:41:42.889Z", "datePublished": "2026-11-11T16:44:32.121Z", "dateUpdated": "2026-11-11T16:44:32.121Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f9fea0b6-671e-4eea-8fde-31911902ae05", "shortName": "ProgressSoftware", "dateUpdated": "2026-11-11T16:44:32.121Z"}, "title": "Cross-Site Scripting via the spriteCssClass Field in Kendo UI for jQuery", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-80", "description": "CWE-80 Improper neutralization of Script-Related HTML tags in a web page (basic XSS)", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "XSS Targeting Non-Script Elements"}]}], "affected": [{"vendor": "Progress Software", "product": "Kendo UI for jQuery", "versions": [{"status": "affected", "version": "2012.1.322", "lessThan": "2026.4.1111", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "In Progress\u00ae Kendo\u00ae UI for jQuery prior to\u00a02026.4.1111 the TabStrip, PanelBar, and Menu widgets support mapping a dataSource field to `spriteCssClass`. If an attacker can control the mapped data, they can break out of the attribute and inject markup, including event-handler attributes. The resulting JavaScript executes in the application's origin when a victim loads a page that renders the affected widget, allowing access to data and actions available in the victim's authenticated session.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>In Progress\u00ae Kendo\u00ae UI for jQuery prior to&nbsp;<span>2026.4.1111 </span>the TabStrip, PanelBar, and Menu widgets support mapping a dataSource field to `spriteCssClass`. If an attacker can control the mapped data, they can break out of the attribute and inject markup, including event-handler attributes. The resulting JavaScript executes in the application's origin when a victim loads a page that renders the affected widget, allowing access to data and actions available in the victim's authenticated session.</p>"}]}], "references": [{"url": "https://www.telerik.com/kendo-jquery-ui/documentation/knowledge-base/kb-security-tabstrip-panelbar-menu-spritecssclass-xss-cve-2026-124688", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW", "baseSeverity": "HIGH", "baseScore": 7.1, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L"}}], "credits": [{"lang": "en", "value": "Suryansh Narang", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Kendo UI for jQuery", "vendor": "Progress Software", "versions": [{"lessThan": "2026.4.1111", "status": "affected", "version": "2012.1.322", "versionType": "custom"}]}], "source": "security@progress.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Progress\u00ae Kendo\u00ae UI for jQuery prior to\u00a02026.4.1111 the TabStrip, PanelBar, and Menu widgets support mapping a dataSource field to `spriteCssClass`. If an attacker can control the mapped data, they can break out of the attribute and inject markup, including event-handler attributes. The resulting JavaScript executes in the application's origin when a victim loads a page that renders the affected widget, allowing access to data and actions available in the victim's authenticated session."}], "id": "CVE-2026-124688", "lastModified": "2026-11-11T17:17:17.897", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.7, "source": "security@progress.com", "type": "Secondary"}]}, "published": "2026-11-11T17:17:17.783", "references": [{"source": "security@progress.com", "url": "https://www.telerik.com/kendo-jquery-ui/documentation/knowledge-base/kb-security-tabstrip-panelbar-menu-spritecssclass-xss-cve-2026-124688"}], "sourceIdentifier": "security@progress.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-80"}], "source": "security@progress.com", "type": "Primary"}]}

{}