Description
A User enumeration vulnerability in the /CredentialsServlet/ForgotPassword endpoint in Silverpeas 6.4.1 and 6.4.2 allows remote attackers to determine valid usernames via the Login parameter.
References
github.com/Silverpeas/Silverpeas-Core/pull/1399
github.com/J0ey17/Silverpeas-Username-Enumeration-PoC