VULNERABILITY INTELLIGENCE
CVE-2019-7550
CVSS score5.3 MEDIUM
EPSS probability1.84%
CISA KEVNot currently listed
Published2019-02-12
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Description
In JForum 2.1.8, an unauthenticated, remote attacker can enumerate whether a user exists by using the "create user" function. If a register/check/username?username= request corresponds to a username that exists, then an "is already in use" error is produced. NOTE: this product is discontinued.
Weakness classification
- CWE-209: Generation of Error Message Containing Sensitive Information
Primary references
- cve@mitre.org — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory