XSS in Microsoft Asp.net Signalr
CVE-2013-5042
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."
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.117 (95.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.117 · newest: 0.117 · change: 0.000
Affected products
- Microsoft Asp.net Signalr — versions 1.1.0, 1.1.1, 1.1.2
- Microsoft Visual Studio Team Foundation Server — versions 2013
Weakness classification (CWE)
References
- www.securitytracker.com/id/1029463 (vdb-entry)
- docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-103 (vendor-advisory)