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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| UserSpice | userSpice | 4.3.24 | — |
References
- ExploitDB-44872 exploit
- VulnCheck Advisory: userSpice 4.3.24 Username Enumeration via existingUsernameCheck.php third-party-advisory