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Vulnerabilities

Vulnerability · CVE-2010-0817

Microsoft SharePoint Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Published Jun 8, 2010 · catalog updated Jun 8, 2010 · Microsoft SharePoint

Patch now

CVE-2010-0817 is in the CISA known-exploited catalog. Confirm Microsoft SharePoint against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
28.71%
Remediation
Remediation guidance
Affected products
vendor Microsoft SharePoint

Cross-site scripting (XSS) vulnerability in _layouts/help.aspx in Microsoft SharePoint Server 2007 12.0.0.6421 and possibly earlier, and SharePoint Services 3.0 SP1 and SP2, versions, allows remote attackers to inject arbitrary web script or HTML via the cid0 parameter.

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.

  • vendor Microsoft SharePointversion unspecified

How to fix CVE-2010-0817

What to do

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

Should you patch?

CVE-2010-0817 is in the CISA known-exploited catalog. Confirm Microsoft SharePoint against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 28.71%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

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. Jun 8, 2010 · VulnCheck KEV

    Detected

    Cross-site scripting (XSS) vulnerability in _layouts/help.aspx in Microsoft SharePoint Server 2007 12.0.0.6421 and possibly earlier, and SharePoint Services 3.0 SP1 and SP2, versions, allows remote attackers to inject arbitrary web script or HTML via the cid0 parameter.

  2. Jun 8, 2010 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2010-0817

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2010-0817

    30-day exploitation probability 28.7%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2010-0817

    Cross-site scripting (XSS) vulnerability in _layouts/help.aspx in Microsoft SharePoint Server 2007 12.0.0.6421 and possibly earlier, and SharePoint Services 3.0 SP1 and SP2, versions, allows remote attackers to inject arbitrary web script or HTML via the cid0 parameter.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.