CVE-2026-111887
phpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta Account Enumeration via Guest Comment Endpoint
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
phpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta contains an account enumeration vulnerability that allows unauthenticated attackers to confirm registered display names and emails via a distinct HTTP 409 response. Attackers can submit guest comments to the comment create endpoint with candidate user and mail values to link names to emails for targeted phishing.
| CWE | CWE-204 |
| Vendor | thorsten |
| Product | phpmyfaq |
| Published | Oct 17, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
thorsten / phpMyFAQ
0 < 4.1.9
thorsten / phpMyFAQ
4.2.0-alpha < 4.2.0-beta
References
Credits
🔍 manus-use