CVE-2019-3847: Improper Input Validation

March 27, 2019 (updated April 4, 2019)

Users with the “login as other users” capability (such as administrators/managers) can access other users’ Dashboards, but the JavaScript those other users may have added to their Dashboard was not being escaped when being viewed by the user logging in on their behalf.

References

bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3847
moodle.org/mod/forum/discuss.php?d=384010
nvd.nist.gov/vuln/detail/CVE-2019-3847

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