VULNERABILITY INTELLIGENCE
CVE-2013-5042
CVSS score4.3 MEDIUM
EPSS probability11.69%
CISA KEVNot currently listed
Published2013-12-11
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:N/I:P/A:N
Description
Cross-site scripting (XSS) vulnerability in Microsoft ASP.NET SignalR 1.1.x before 1.1.4 and 2.0.x before 2.0.1, and Visual Studio Team Foundation Server 2013, allows remote attackers to inject arbitrary web script or HTML via crafted Forever Frame transport protocol data, aka "SignalR XSS Vulnerability."
Weakness classification
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')