Vulnerability · Published Sep 30, 2025 · Assigned by Joomla
CVE-2025-54477Joomla! Core - [20250902] User-Enumeration in passkey authentication method
Medium 5.3
In plain English
A medium-severity security flaw in Joomla! CMS from Joomla! Project. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 80.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper handling of authentication requests lead to a user enumeration vector in the passkey authentication method.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Joomla! Project | Joomla! CMS | 4.0.0-4.4.135.0.0-5.3.3 |
Weakness: CWE-203 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N