Medium
Security advisory
wp-mail.php in WordPress before 4.7.1 might allow remote attackers to bypass intended posting restrictions via a spoofed mail server with the mail.example.com name.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-5491
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:27 UTC · Revision 1
Source evidence
wp-mail.php in WordPress before 4.7.1 might allow remote attackers to bypass intended posting restrictions via a spoofed mail server with the mail.example.com name.
osv:CVE-2017-5491
Complete source record
{
"id": "6b056864b14209951db6fea209ae51345d7d882540e5d0d48a4d4052dc55c195",
"url": "https://osv.dev/vulnerability/CVE-2017-5491",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-5491",
"summary": "wp-mail.php in WordPress before 4.7.1 might allow remote attackers to bypass intended posting restrictions via a spoofed mail server with the mail.example.com name.",
"evidence": "osv:CVE-2017-5491",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2017-5491",
"aliases": [
"CVE-2017-5491"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/wordpress/wordpress",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "14247ee4302378d292863865c643abe99bbfe3c7"
},
{
"fixed": "061e8788814ac87706d8b95688df276fe3c8596a"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "4.7"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "061e8788814ac87706d8b95688df276fe3c8596a"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"4.7.0",
"4.7"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-5491.json"
}
},
{
"ranges": [
{
"repo": "https://github.com/wordpress/wordpress-develop",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "efa83f48bd4ebd066e5efc94b9feefe50e7925a2"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "4.7"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"4.7.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-5491.json"
}
}
],
"modified": "2026-10-24T10:47:30.307793022Z",
"provider": "osv",
"references": [
"https://wpvulndb.com/vulnerabilities/8719",
"https://codex.wordpress.org/Version_4.7.1",
"https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/",
"https://github.com/WordPress/WordPress/commit/061e8788814ac87706d8b95688df276fe3c8596a"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2017-5491",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 441284,
"published_at": "2017-01-15T02:59:02.987+00:00"
}