DescriptionCross-site scripting (XSS) vulnerability in the file browser in Guacamole 0.9.8 and 0.9.9, when file transfer is enabled to a location shared by multiple users, allows remote authenticated users to inject arbitrary web script or HTML via a crafted filename. NOTE: this vulnerability was fixed in guacamole.war on 2016-01-13, but the version number was not changed.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitylow (attack range: remote)
Debian Bugs859136

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
guacamole-client (PTS)jessie0.8.3-1.1fixed
sid, stretch0.9.9+dfsg-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
guacamolesource(unstable)(not affected)
guacamole-clientsourcejessie(not affected)


[stretch] - guacamole-client <no-dsa> (Minor issue)
[jessie] - guacamole-client <not-affected> (Vulnerable code not present)
- guacamole <not-affected> (Vulnerable code not present)
Fixed by:

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