VULNERABILITY INTELLIGENCE
CVE-2018-25350
CVSS score9.3 CRITICAL
EPSS probability0.43%
CISA KEVNot currently listed
Published2026-05-23
Last modified2026-10-06
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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.
Weakness classification
- CWE-204: Observable Response Discrepancy