CVE-2015-2531: Microsoft Lync Server

Medium severity, CVSS 4.3. EPSS: 10.9% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in the jQuery engine in Microsoft Lync Server 2013 and Skype for Business Server 2015 allows remote attackers to inject arbitrary web script or HTML via a crafted URL, aka "Skype for Business Server and Lync Server XSS Information Disclosure Vulnerability."

Affected products

• Microsoft Lync Server: version 2013 only
• Microsoft Skype For Business Server: version 2015 only

Published 2015-09-09. Last modified 2026-06-17.