CVE-2010-0817

Cross-site scripting (XSS) vulnerability in _layouts/help.aspx in Microsoft SharePoint Server...

4.3 MediumPublic exploit

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.

Exploit likelihood

28.7%Up 1.8 points since Feb 4, 2022

What each source reports

NVD Score used 4.3

Record: CVE-2010-0817
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2010-0817
Updated: 2026-11-02

EUVDEUVD-2010-0843 No score

Record: EUVD-2010-0843
Updated: 2026-11-03

GitHub AdvisoriesGHSA-xj8q-vqrm-hvqr No score

Cross-site scripting (XSS) vulnerability in _layouts/help.aspx in Microsoft SharePoint Server...

Record: GHSA-xj8q-vqrm-hvqr
Weakness: CWE-79
Updated: 2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Microsoft SharePoint Server 2007 - Cross-Site Scripting	2010-04-29

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2010-0817 is a medium vulnerability (CVSS 4.3) in Microsoft Sharepoint Server, published April 29, 2010. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 28.7%, the 98th percentile. No source names a fixed version.