Authors:SEC Consult Risk：High CVE：CVE-2018-8716 0day:Cross-Site Scripting 0day -id:0DAY-17603 Date：2018-04-26
WSO2 Identity Server before 5.5.0 has XSS via the dashboard, allowing attacks by low-privileged attackers.
“WSO2 Carbon redefines middleware by providing an integrated and componentized
middleware platform that adapts to the specific needs of any enterprise
IT project – on premise or in the cloud.
100% open source and standards-based, WSO2 Carbon enables developers to rapidly
orchestrate business processes, compose applications and develop services using
WSO2 Developer Studio and a broad range of business and technical services that
integrate with legacy, packaged and SaaS applications.
The lean, complete, OSGi-based platform includes more than 175 components – OSGi
bundles or Carbon features. The WSO2 Carbon core framework functions as
“Eclipse for servers” and includes common capabilities shared by all WSO2
products, such as built-in registry, user management, transports, security,
logging, clustering, caching and throttling services, co-ordination, and a
“The WSO2 Dashboard Server (formerly WSO2 User Engagement Server) helps to
rapidly create visually appealing and engaging web components such as
dashboards, and gadgets, and unlocking data for business intelligence and
monitoring. With the host of capabilities that Dashboard Server provides
out-of-the-box, going from data to screen has never been easier.”
SEC Consult recommends to perform a thorough security review conducted by
security professionals to identify and resolve all security issues.
Vulnerable / tested versions
The following version has been tested which was the most recent version
at the time of discovery:
* WSO2IS 5.3.0
2018-01-25: Contacting vendor through firstname.lastname@example.org
2018-02-08: Asking for status update. Vendor responds, that they are
still investigating the issue.
2018-02-21: Vendor responds with release date and further details
concerning the nature of the vulnerabilities. The XSS in the
Carbon component was a duplicate and should be already fixed.
Concerning the XSS in the dashboard a fix is implemented
and will be rolled out with the release of WSO2 Identity
2018-03-14: Requesting CVE from Mitre for the stored XSS in the Dashboard.
2018-03-15: Mitre assigned CVE-2018-8716.
2018-03-26: Vendor informed us, that the final release of the updated
software will be on 5th of April.
2018-04-23: Public Release
Update WSO2 Identity Server to 5.5.0
No workaround available