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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

high Affects WordPress core. Feed 2026.10.28.3, updated 2026-10-28; published ; advisory modified .

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

Package
WordPress core WordPress
Affected versions
<4.5
Fixed in
4.5
Severity
high  CVSS 8.6
Exploitation
not on CISA KEV · EPSS 4% (90.4th percentile)
Published
2016-08-07
Source
nvd

References

CWE-918
NVD recordWordPress core advisories

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