High
Security advisory
WordPress before 4.5 does not consider octal and hexadecimal IP address formats when determining an intranet address, which allows remote attackers to bypass an intended SSRF protection mechanism via a crafted address.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2016-4029
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:05 UTC · Revision 1
Source evidence
WordPress before 4.5 does not consider octal and hexadecimal IP address formats when determining an intranet address, which allows remote attackers to bypass an intended SSRF protection mechanism via a crafted address.
osv:CVE-2016-4029
Complete source record
{
"id": "d8d36d76fadde5b26d2edccaf3810b4f2b1982d45c7158501ba3dd0e9e23be76",
"url": "https://osv.dev/vulnerability/CVE-2016-4029",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2016-4029",
"summary": "WordPress before 4.5 does not consider octal and hexadecimal IP address formats when determining an intranet address, which allows remote attackers to bypass an intended SSRF protection mechanism via a crafted address.",
"evidence": "osv:CVE-2016-4029",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2016-4029",
"aliases": [
"CVE-2016-4029"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/wordpress/wordpress",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "e3aafee3f2bc07e09bf79389f20ea3db731466c3"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "4.5"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-4029.json"
}
},
{
"ranges": [
{
"repo": "https://github.com/wordpress/wordpress-develop",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "7acf453090c10537e6f41fc4cf2608d7bbcce8ca"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "4.5"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-4029.json"
}
}
],
"modified": "2026-10-24T10:31:02.716419502Z",
"provider": "osv",
"references": [
"https://wpvulndb.com/vulnerabilities/8473",
"https://core.trac.wordpress.org/query?status=closed&milestone=4.5"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2016-4029",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 440077,
"published_at": "2016-08-07T16:59:00.143+00:00"
}