WordPress security changelog
MEDIUM CVE-2016-7169 Modified

WordPress component: Filesystem traversal

WordPress component is affected by filesystem traversal. Exposure depends on how the affected operation is made reachable by the site. A crafted path can escape the intended directory and reach files or directories elsewhere on the server.

CVE / CNA score 6.3 CVSS · cve@mitre.org
NVD score 6.3 CVSS 3.0 · nvd@nist.gov
Component
WordPress component
Plugin slug
Not applicable
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Jan 05, 2017
Weakness
CWE-22 — Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
What to do

Update, patch or deactivate.

Update WordPress component to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Source record

Technical description

Directory traversal vulnerability in the File_Upload_Upgrader class in wp-admin/includes/class-file-upload-upgrader.php in the upgrade package uploader in WordPress before 4.6.1 allows remote authenticated users to access arbitrary files via a crafted urlholder parameter.

NVD vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References

Primary and upstream sources