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CVE-2016-2222
The wp_http_validate_url function in wp-includes/http.php in WordPress before 4.4.2 allows remote attackers to conduct server-side request…
High8.6EPSS 7.9%
- Published
- Updated
- Reserved
- Assigned by
- debian
Description
The wp_http_validate_url function in wp-includes/http.php in WordPress before 4.4.2 allows remote attackers to conduct server-side request forgery (SSRF) attacks via a zero value in the first octet of an IPv4 address in the u parameter to wp-admin/press-this.php.
Timeline
ID reserved
By debian
- 4 months later
· 4 months later
Published
- 8 years later
· 8 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High8.6 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 7.9% · top 5.3% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.6.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (9)
- https://codex.wordpress.org/Version_4.4.2 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1034933 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://wpvulndb.com/vulnerabilities/8376 (opens in a new tab)x_refsource_MISCx_transferred
- https://core.trac.wordpress.org/changeset/36435 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 82454 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://wordpress.org/news/2016/02/wordpress-4-4-2-security-and-maintenance-release/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-3472 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://hackerone.com/reports/110801 (opens in a new tab)x_refsource_MISCx_transferred
- https://news.ycombinator.com/item?id=20433070 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2016-2222)Record last updated .