phpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta Account Enumeration via Guest Comment Endpoint
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.
CVE-2026-111887
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-111887
phpMyFAQ
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
phpMyFAQ
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "thorsten",
"product": "phpMyFAQ",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "4.1.9",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "4.1.9",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "thorsten",
"product": "phpMyFAQ",
"versions": [
{
"status": "affected",
"version": "4.2.0-alpha",
"lessThan": "4.2.0-beta",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "4.2.0-beta",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-111887
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #34725 · Revision 1
- Added to Heist Feed
- Publisher date