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Vulnerabilities

Vulnerability · CVE-2011-0653

Cross-site scripting (XSS) vulnerability in Microsoft Office SharePoint Server 2010 Gold and SP1, and SharePoint Foundation 2010, allows remote attackers to inject arb…

Published Sep 15, 2011 · catalog updated Jun 16, 2026 · sharepoint foundation

Last checked Nov 2, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2011-0653 is not in CISA KEV. FIRST estimates a 16.91% chance of exploitation in the next 30 days. Check whether you run sharepoint foundation.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium4.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
16.91%
Remediation
Advisory link
Affected products
cpe microsoft/sharepoint foundation · cpe microsoft/sharepoint server

Cross-site scripting (XSS) vulnerability in Microsoft Office SharePoint Server 2010 Gold and SP1, and SharePoint Foundation 2010, allows remote attackers to inject arbitrary web script or HTML via the URI, aka "XSS in SharePoint Calendar Vulnerability."

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe microsoft/sharepoint foundation2010
  • cpe microsoft/sharepoint server2010

How to fix CVE-2011-0653

  • No stored fix

    No vendor fix text is stored. Use the linked advisory before you change production.

  • Version check

    No version range is stored, so an installed version cannot be checked on this page.

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2011-0653 is not in CISA KEV. FIRST estimates a 16.91% chance of exploitation in the next 30 days. Check whether you run sharepoint foundation.

Which versions are affected?

Compare what you have installed with microsoft/sharepoint foundation 2010; microsoft/sharepoint server 2010. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS 16.91%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Microsoft SharePoint security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 15, 2011 · Monitored products — critical

    Detected

    Cross-site scripting (XSS) vulnerability in Microsoft Office SharePoint Server 2010 Gold and SP1, and SharePoint Foundation 2010, allows remote attackers to inject arbitrary web script or HTML via the URI, aka "XSS in SharePoint Calendar Vulnerability."

  2. Jun 16, 2026 · Monitored products — critical

    Updated

    Cross-site scripting (XSS) vulnerability in Microsoft Office SharePoint Server 2010 Gold and SP1, and SharePoint Foundation 2010, allows remote attackers to inject arbitrary web script or HTML via the URI, aka "XSS in SharePoint Calendar Vulnerability."

Sources

  • CVE.orgVulnerability recordCVE-2011-0653

    Official CVE identifier

    cve.org
  • Monitored products — criticalVendor advisoryCVE-2011-0653

    Cross-site scripting (XSS) vulnerability in Microsoft Office SharePoint Server 2010 Gold and SP1, and SharePoint Foundation 2010, allows remote attackers to inject arbitrary web script or HTML via the URI, aka "XSS in SharePoint Calendar Vulnerability."

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 2, 2026
  • Monitored products — criticalNov 1, 2026