Cross-site scripting in Team Foundation Server and Azure DevOps Server - CVE-2019-0979
Published: May 16, 2019
Vulnerability identifier: #VU18507
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2019-0979
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data within the User hub functionality. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Affected software
Team Foundation Server
Azure DevOps Server
Azure DevOps Server
How to mitigate CVE-2019-0979
Install updates from vendor's website.
Team Foundation Server - addressed in versions 2017 Update 3.1 Patch 5, 2018 Update 1.2 Patch 4, 2018 Update 3.2 Patch 4
Azure DevOps Server - update to 2019 Patch 2
Azure DevOps Server - update to 2019 Patch 2