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CVE-2017-9140

36
FAUCET Score

CVE-2017-9140 describes a reflected Cross-Site Scripting (XSS) vulnerability in the Telerik Reporting for ASP.NET WebForms Report Viewer control, specifically affecting versions prior to R1 2017 SP2 (11.0.17.406) of Telerik Reporting and Progress Sitefinity CMS. This medium-severity vulnerability (CVSS 6.1) allows unauthenticated remote attackers to inject arbitrary web script or HTML through the bgColor parameter of Telerik.ReportViewer.axd, requiring user interaction. While there is no evidence of active exploitation or Metasploit modules, a Nuclei template exists for detection, and the vulnerability has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 11.0.17.406CPE matchmatch criteria
cpe:2.3:a:progress:telerik_reporting:*:*:*:*:*:*:*:*
>= 4.2, <= 11.0CPE matchmatch criteria
cpe:2.3:a:progress:sitefinity_cms:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
9.64%
Probability of exploitation in next 30 days
EPSS Percentile
95.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Nuclei: CVE-2017-9140 · Jun 9, 2021
This CVE's current EPSS score of 0.0964 is in the 98th percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

knowledgebase.progress.com / articles/Article/Security-Advisory-for-Resolving-Security-vulnerabilities-September-2018
Third Party Advisory
veracode.com / blog/research/anatomy-cross-site-scripting-flaw-telerik-reporting-module
Third Party Advisory
telerik.com / support/whats-new/reporting/release-history/telerik-reporting-r1-2017-sp2-%28version-11-0-17-406%29