CVE-2018-25350

CVE-2018-25350CVE-2018-25350

Description

userSpice 4.3.24 contains a username enumeration vulnerability that allows unauthenticated attackers to discover valid usernames by sending POST requests to the existingUsernameCheck.php endpoint. Attackers can submit usernames and analyze response text for the 'taken' string to identify existing accounts in the system.

Scoring

CVSS 9.8 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Last modified2026-07-23
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.