CVE-2026-106163: CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in Progress Software Kendo UI for jQuery
Description
In Progress® Kendo® UI for jQuery versions starting with v2023.1.117 and prior to v2026.3.1015, the FileBrowser and ImageBrowser components render remotely supplied file and directory names as HTML without proper encoding. An attacker-controlled name containing script-related HTML can execute JavaScript in the user's browser, compromising the confidentiality and integrity of data accessible to the affected application.
CVSS v3.1
Score 6.5medium
Affected software
Progress Software
Kendo UI for jQuery
pkg:github/telerik/kendo-ui-coreRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Progress Software Kendo UI for jQuery versions >=2023.1.117 and <2026.3.1015 contain an improper neutralization of script-related HTML tags (CWE-80) in the FileBrowser and ImageBrowser components. These components render remotely supplied file and directory names as HTML without proper encoding, enabling an attacker to inject and execute arbitrary JavaScript in the context of the user's browser session. This vulnerability can lead to unauthorized access or manipulation of data accessible to the affected application.
Potential Impact
Successful exploitation allows an attacker to execute arbitrary JavaScript in the victim's browser, potentially compromising the confidentiality and integrity of data accessible through the affected application. There is no indication of impact on availability. No known exploits are reported in the wild.
Mitigation Recommendations
A fix is available in Progress Software Kendo UI for jQuery version 2026.3.1015 and later. Users should upgrade to this version or later to remediate the vulnerability. No vendor advisory content was provided to indicate alternative mitigations or temporary fixes. Patch status is confirmed by the version range indicating the fixed version.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ProgressSoftware
- Date Reserved
- 2026-10-06T15:51:18.618Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad0d6522cdf04f65637ed8f
Added to database: 10/15/2026, 13:34:10 UTC
Last enriched: 10/15/2026, 13:48:21 UTC
Last updated: 10/15/2026, 19:04:20 UTC
Views: 15
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