How severe is CVE-2011-1976?

CVE-2011-1976 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-1976 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1976?

CVE-2011-1976 primarily affects Microsoft Report Viewer. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1976?

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

When was CVE-2011-1976 published?

CVE-2011-1976 was published on 2011-08-10 and last updated on 2026-06-16.

CVE-2011-1976

CVE-2011-1976 is a medium-severity vulnerability in Microsoft Report Viewer with a CVSS 2.0 base score of 4.3. Its EPSS exploit-prediction score of 21% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 21% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Microsoft Report Viewer
Published: 2011-08-10
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in the Report Viewer Control in Microsoft Visual Studio 2005 SP1 and Report Viewer 2005 SP1 allows remote attackers to inject arbitrary web script or HTML via a parameter in a data source, aka "Report Viewer Controls XSS Vulnerability."

Frequently asked questions

What is CVE-2011-1976?: Cross-site scripting (XSS) vulnerability in the Report Viewer Control in Microsoft Visual Studio 2005 SP1 and Report Viewer 2005 SP1 allows remote attackers to inject arbitrary web script or HTML via a parameter in a data source, aka "Report Viewer Controls XSS Vulnerability."
How severe is CVE-2011-1976?: CVE-2011-1976 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-1976 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1976?: CVE-2011-1976 primarily affects Microsoft Report Viewer. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1976?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1976 published?: CVE-2011-1976 was published on 2011-08-10 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:microsoft:report_viewer:2005:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:report_viewer:2005:sp1:redistributable_package:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio:2005:sp1:*:*:*:*:*:*

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