GoogleOSV:GHSA-FMQ9-58Q4-XJW5Moodle allows attackers to discover hidden course names
admin/tool/monitor/lib.php in Event Monitor in Moodle 2.8.x before 2.8.11, 2.9.x before 2.9.5, and 3.0.x before 3.0.3 does not consider the moodle/course:viewhiddencourses capability, which allows remote authenticated users to discover hidden course names by subscribing to a rule.
References
git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-51167
www.openwall.com/lists/oss-security/2016/03/21/1
github.com/moodle/moodle
github.com/moodle/moodle/commit/214950de2a4149f0efeabf62b0978901c1c68015
github.com/moodle/moodle/commit/406a0efd3720d3b9214508b2e47b8f4401061312
github.com/moodle/moodle/commit/475362630ba4c5073a05b1c81caf3a7f3f373cd1
github.com/moodle/moodle/commit/4e5732e7fe0e9363618039d434cb5b774a8772b0
github.com/moodle/moodle/commit/89b97390d0bedd2567d61723f76caa222026d5fb
github.com/moodle/moodle/commit/ff7bacf32bbe148a7ab6db3b5fa69e106e54d6a4
moodle.org/mod/forum/discuss.php?d=330176
nvd.nist.gov/vuln/detail/CVE-2016-2154
web.archive.org/web/20160424224349/www.securitytracker.com/id/1035333
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