Cross-site scripting (XSS) vulnerability in _layouts/help.aspx in Microsoft SharePoint…
Priority MEDIUM 43CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
EPSS 0.28707 98th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:sharepoint_server:2007:*:*:*:*:*:*:* | 2007 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:sharepoint_services:3.0:sp1:x32:*:*:*:*:* | 3.0 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:sharepoint_services:3.0:sp1:x64:*:*:*:*:* | 3.0 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:sharepoint_services:3.0:sp2:x32:*:*:*:*:* | 3.0 sp2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:sharepoint_services:3.0:sp2:x64:*:*:*:*:* | 3.0 sp2 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:sharepoint_server:2007:*:*:*:*:*:*:* Versions 2007 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:sharepoint_services:3.0:sp1:x32:*:*:*:*:* Versions 3.0 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:sharepoint_services:3.0:sp1:x64:*:*:*:*:* Versions 3.0 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:sharepoint_services:3.0:sp2:x32:*:*:*:*:* Versions 3.0 sp2 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:sharepoint_services:3.0:sp2:x64:*:*:*:*:* Versions 3.0 sp2 Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2010-0817
- 2026-10-03 Alias added: GHSA-xj8q-vqrm-hvqr
References
More Microsoft Sharepoint Server vulnerabilities
- TI-2026-42212 Microsoft SharePoint Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2026-37256 Microsoft SharePoint Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2026-16982 Microsoft SharePoint Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2025-33671 Microsoft SharePoint Server Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2023-13749 Microsoft SharePoint Server Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2019-00394 Improper input validation in Microsoft SharePoint Server KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2010-0817 · CVE Program
- CVE-2010-0817 · NVD
- FIRST EPSS
- GHSA-xj8q-vqrm-hvqr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences