Provide references for CVE-2020-15139.
Where can I find more information about CVE-2020-15139?
References are available at: https://github.com/mybb/mybb/security/advisories/GHSA-37h7-vfv6-f8rj, https://github.com/mybb/mybb/commit/37ad29dcd25489a37bdd89ebac761f22492558b0, https://mybb.com/versions/1.8.24/.