How severe is CVE-2017-9140?

CVE-2017-9140 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-9140 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-9140?

CVE-2017-9140 primarily affects Progress Telerik Reporting. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-9140?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-9140 published?

CVE-2017-9140 was published on 2017-05-22 and last updated on 2026-06-17.

CVE-2017-9140

CVE-2017-9140 is a medium-severity vulnerability in Progress Telerik Reporting with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Progress Telerik Reporting
Published: 2017-05-22
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2017-9140?: 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.
How severe is CVE-2017-9140?: CVE-2017-9140 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-9140 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-9140?: CVE-2017-9140 primarily affects Progress Telerik Reporting. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-9140?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-9140 published?: CVE-2017-9140 was published on 2017-05-22 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:progress:telerik_reporting:*:*:*:*:*:*:*:*
cpe:2.3:a:progress:sitefinity_cms:*:*:*:*:*:*:*:*

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