GoogleOSV:GHSA-P5J7-26WJ-423JMoodle allows discovery of an author's username
The forum_print_latest_discussions function in mod/forum/lib.php in Moodle through 2.4.11, 2.5.x before 2.5.8, 2.6.x before 2.6.5, and 2.7.x before 2.7.2 allows remote authenticated users to bypass the individual answer-posting requirement without the mod/forum:viewqandawithoutposting capability, and discover an author’s username, by leveraging the student role and visiting a Q&A forum.
References
git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-46619
openwall.com/lists/oss-security/2014/09/15/1
github.com/moodle/moodle
github.com/moodle/moodle/commit/1c5d2aefd1c6706176e97b99b2f9deef582564be
github.com/moodle/moodle/commit/1f3066f1977cf9ba36bb2583597af8bc53eb7d0f
github.com/moodle/moodle/commit/532c25d5bd6d0f2ad14720fcee0da8c879c4d0f2
github.com/moodle/moodle/commit/8f2e80600bf0fc220b92706907fb3d683602e5c2
github.com/moodle/moodle/commit/95c3874b717e19711780147c29285e56ca01ff79
github.com/moodle/moodle/commit/982c8524dd27066a6893a4b2ff2c41d60f9bdc23
github.com/moodle/moodle/commit/a80ed84ed37d24e564b0bb7b8d51c4206b1fcd54
github.com/moodle/moodle/commit/b1325427ecefb23002d3c79a7222e98f3995c0fb
github.com/moodle/moodle/commit/b2b8d932f11c089b59b6c5ce439487ae3e5d79aa
github.com/moodle/moodle/commit/ebbff905629fbd87a6a81cc471964e995fba3eb0
moodle.org/mod/forum/discuss.php?d=269591
nvd.nist.gov/vuln/detail/CVE-2014-3617
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