cvedb.io
CVE-2018-25350
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2026-05-23T19:16:55.120 · Last modified 2026-07-23T17:10:00.123

Summary

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.

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.