Eclipse Jetty is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the DefaultServlet and ResourceHandler. A remote attacker could exploit this vulnerability using a specially-crafted URL to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.
Other sources
In Eclipse Jetty version 9.2.26 and older, 9.3.25 and older, and 9.4.15 and older, the server is vulnerable to XSS conditions if a remote client USES a specially formatted URL against the DefaultServlet or ResourceHandler that is configured for showing a Listing of directory contents.
What is the vulnerability ID for this Jetty vulnerability?
The vulnerability ID for this Jetty vulnerability is CVE-2019-10241.
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What is the severity of CVE-2019-10241?
The severity of CVE-2019-10241 is medium.
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How does the vulnerability in CVE-2019-10241 manifest?
The vulnerability in CVE-2019-10241 manifests as XSS (cross-site scripting) conditions when a remote client uses a specially formatted URL against the DefaultServlet or ResourceHandler that is configured for showing a Listing of directory contents.
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Which versions of Eclipse Jetty are affected by CVE-2019-10241?
Eclipse Jetty version 9.2.26 and older, 9.3.25 and older, and 9.4.15 and older are affected by CVE-2019-10241.
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How can I fix CVE-2019-10241?
To fix CVE-2019-10241, update to Jetty version 9.2.27 (or later), 9.3.26 (or later), or 9.4.16 (or later), depending on the version you are using.
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