MediaWiki through 1.32.1 has Incorrect Access Control (issue 1 of 3). A spammer can use Special:ChangeEmail to send out spam with no rate limiting or ability to block them. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-12467.json"