Cross-site scripting in Microsoft Team
Priority LOW 28CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
A Cross-site Scripting (XSS) vulnerability exists when Team Foundation Server does not properly sanitize user provided input, aka "Team Foundation Server Cross-site Scripting Vulnerability." This affects Team.
Why it matters now
EPSS 0.01707 77th percentileScored 2026-11-07
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 |
|---|---|---|---|---|---|
| Microsoft | Team | Foundation Server 2017 Update 3.1; Foundation Server 2018 Update 1.1; Foundation Server 2018 Update 3; Foundation Server 2018 Update 3.1 | — | No fix listed | CNA |
- Team VendorMicrosoft Affected Foundation Server 2017 Update 3.1; Foundation Server 2018 Update 1.1; Foundation Server 2018 Update 3; Foundation Server 2018 Update 3.1 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:team_foundation_server:2017:3.1:*:*:*:*:*:* | 2017 3.1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:team_foundation_server:2018:1.1:*:*:*:*:*:* | 2018 1.1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:team_foundation_server:2018:3.0:*:*:*:*:*:* | 2018 3.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:team_foundation_server:2018:3.1:*:*:*:*:*:* | 2018 3.1 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:team_foundation_server:2017:3.1:*:*:*:*:*:* Versions 2017 3.1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:team_foundation_server:2018:1.1:*:*:*:*:*:* Versions 2018 1.1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:team_foundation_server:2018:3.0:*:*:*:*:*:* Versions 2018 3.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:team_foundation_server:2018:3.1:*:*:*:*:*:* Versions 2018 3.1 Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-8602
- 2026-10-03 Alias added: GHSA-9g97-qcwv-h434
More Microsoft Team Foundation Server vulnerabilities
- TI-2019-01021 Improper input validation in Microsoft Team Foundation Server 2018 CVSS 3.1CRITICAL 9.8
- TI-2019-00802 Improper input validation in Microsoft Team Foundation Server 2012 CVSS 3.0CRITICAL 9.8
- TI-2018-06193 A remote code execution vulnerability exists when Team Foundation Server (TFS) does not… CVSS 3.0CRITICAL 9.8
- TI-2019-00710 Improper output encoding in Microsoft Team Foundation Server 2018 CVSS 3.0MEDIUM 6.5
- TI-2020-00733 An elevation of privilege vulnerability exists when Azure DevOps Server and Team… CVSS 3.1HIGH 7.5
- TI-2019-00435 Information disclosure in Microsoft Team CVSS 3.0MEDIUM 6.5
Sources
- CVE-2018-8602 · CVE Program
- CVE-2018-8602 · NVD
- FIRST EPSS
- GHSA-9g97-qcwv-h434 · 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