CVE-2017-9140

Cross-site scripting (XSS) vulnerability in Telerik.ReportViewer.WebForms.dll in Telerik...

6.1 Medium

Cross-site scripting (XSS) vulnerability in Telerik.ReportViewer.WebForms.dll in Telerik Reporting for ASP.NET WebForms Report Viewer control before R1 2017 SP2 (11.0.17.406) allows remote attackers to inject arbitrary web script or HTML via the bgColor parameter to Telerik.ReportViewer.axd.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

9.72%Up 8.6 points since Apr 14, 2021

What each source reports

NVD Score used 6.1

Record: CVE-2017-9140
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2017-9140
Updated: 2026-11-02

EUVDEUVD-2017-18078 No score

Record: EUVD-2017-18078
Updated: 2026-11-03

GitHub AdvisoriesGHSA-2549-f94w-jg6h 6.1

Cross-site scripting (XSS) vulnerability in Telerik.ReportViewer.WebForms.dll in Telerik...

Record: GHSA-2549-f94w-jg6h
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Nuclei	Reflected XSS - Telerik Reporting Module

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, Nuclei, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-9140 is a medium vulnerability (CVSS 6.1) in Progress Telerik Reporting, published May 22, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 9.72%, the 95th percentile. No source names a fixed version.