All vulnerabilities

WordPress core

CVE-2016-4029

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.

Severity
High 8.6
Published
7 Aug 2016
Last changed
17 Jun 2026
Added to UpHeron
17 Oct 2026
Fixed in
4.5
Sources
NVD

Affected software

SoftwareAffected versions
WordPressWordPress core · cpe:a:wordpress:wordpress
  • Every version before 4.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-4029
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-4029