Is CVE-2017-15911 actively exploited?

No active exploitation of CVE-2017-15911 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-15911 be exploited remotely?

Yes. CVE-2017-15911 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-15911?

CVE-2017-15911 has a CVSS score of 4.8 (MEDIUM).

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MEDIUM

CVE-2017-15911

CWE-79Published: October 26, 2017· Updated: Jun 17, 2026

4.8

CVSS v3.1

Official Description

The Admin Console in Ignite Realtime Openfire Server before 4.1.7 allows arbitrary client-side JavaScript code execution on victims who click a crafted setup/setup-host-settings.jsp?domain= link, aka XSS. Session ID and data theft may follow as well as the possibility of bypassing CSRF protections, injection of iframes to establish communication channels, etc. The vulnerability is present after login into the application.

NVD Source

Technical Analysis

CVE-2017-15911 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.