CVE-2018-25350

userSpice 4.3.24 Username Enumeration via existingUsernameCheck.php

CVSS 9.3 CRITICALEPSS 0.4%CWE-204

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected products

UserSpice · userSpice

public PoCs found — 1

cve_referencewww.exploit-db.com/exploits/44872unverified

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References

https://www.exploit-db.com/exploits/44872 https://www.vulncheck.com/advisories/userspice-username-enumeration-via-existingusernamecheck-php