SPIP before 3.1.11 and 3.2 before 3.2.5 provides different error messages
from the password-reminder page depending on whether an e-mail address
exists, which might help attackers to enumerate subscribers.
blog.spip.net/Mise-a-jour-CRITIQUE-de-securite-Sortie-de-SPIP-3-2-5-et-SPIP-3-1-11.html
core.spip.net/issues/4171
launchpad.net/bugs/cve/CVE-2019-16394
nvd.nist.gov/vuln/detail/CVE-2019-16394
security-tracker.debian.org/tracker/CVE-2019-16394
ubuntu.com/security/notices/USN-4536-1
www.cve.org/CVERecord?id=CVE-2019-16394
zone.spip.net/trac/spip-zone/changeset/117577/spip-zone
zone.spip.net/trac/spip-zone/changeset/117578/spip-zone